1.5 is one of the zeroes of the polynomial p (x) = 2x°-5x - 13x + 30.

1.	1.5 is one of the zeroes of the polynomial p (x) = 2x°-5x - 13x + 30.2. If the coefficient of x2 and the constant term of a quadratic equation has oppositeAnswer thesigns, then the quadratic equation has real roots. 7[2 marles3. For an AP, if Sn= 5n2-3n, then an = 10n - 817. Prove that14. (tan 0 + 2) (2 tan 0 + 1) = 5 tan 0 + seca e.(18. Use Euclid'• Fill in the blanks by selecting the proper alternative from those given below 19. Find the zeeach statement:between the5. The mean of n observations is x. If the first observation is increased by 1, the GAWe 20. Solve 2x + :second by 2 and so on, the new mean isy = mx + 3.A. x +n B. x + 1 P. x + + 7 D.X6. One letter is chosen randomly from the word PROBABILITY. The probability of that 20.2 women aV letter being a vowel is ..........3 women anto finish theA. 1 B. i c. i b. 17. In one thousand lottery tickets, there are 50 prizes to be given. If Manish buys21. If sin e1 ticket, the probability of him winning a prize is22. Evaluate : sina²+A. 50B. 1000 C100D. 20set8. The solution of the pair of linear equations ajx + buy + C1 = 0 and anx + b2y + C2 = ( 22. If x sinº + yby cross-multiplication method is given by23. AB is a tangb2c - b2c2 ,C2 - 2201b, cz - b₂a,a, c2-acicircle at M.a, b2 - a,b,' 9a,b2-a2b1a,b2-a,b,' 9 a, b₂ - azbiA. X =B. x =_cre-21-01C2a, b₂ - Azbi' 942C1-acza, b2 - AzbiDAX= a, b2-621B C₂ - b₂c,a, b2 - a, b,yazci-a C2a, b₂-aab,23 An A ABC, AHtouloh.
Answer» Answer: 1.5 is ONE of the zeroes of the polynomial p (x) = 2x°-5x - 13x + 30. 2. If the coefficient of x2 and the CONSTANT term of a QUADRATIC EQUATION has opposite Answer the signs, then the quadratic equation has real roots. 7 [2 marles 3. For an AP, if Sn= 5n2-3n, then an = 10n - 8 17. Prove that 14. (tan 0 + 2) (2 tan 0 + 1) = 5 tan 0 + seca e. (18. Use Euclid' • Fill in the blanks by selecting the proper alternative from those given below 19. Find the ze each statement: between the 5. The mean of n observations is x. If the first observation is increased by 1, the GA We 20. Solve 2x + : second by 2 and so on, the new mean is y = mx + 3. A. x +n B. x + 1 P. x + + 7 D.X 6. One letter is chosen randomly from the word PROBABILITY. The probability of that 20.2 women a V letter being a vowel is .......... 3 women an to finish the A. 1 B. i c. i b. 1 7. In one thousand lottery tickets, there are 50 prizes to be given. If Manish buys 21. If sin e 1 ticket, the probability of him winning a prize is 22. Evaluate : sin a²+ A. 50 B. 1000 C100 D. 20 set 8. The solution of the pair of linear equations ajx + buy + C1 = 0 and anx + b2y + C2 = ( 22. If x sinº + y by cross-multiplication method is given by 23. AB is a tang b2c - b2c2 ,C2 - 2201 b, cz - b₂a, a, c2-aci circle at M. a, b2 - a,b,' 9 a,b2-a2b1 a,b2-a,b,' 9 a, b₂ - azbi A. X = B. x = _ cre-21-01C2 a, b₂ - Azbi' 9 42C1-acz a, b2 - Azbi DAX= a, b2-621 B C₂ - b₂c, a, b2 - a, b, y azci-a C2 a, b₂-aab, 23 An A ABC, AH touloh.

1.5 is one of the zeroes of the polynomial p (x) = 2x°-5x - 13x + 30.2. If the coefficient of x2 and the constant term of a quadratic equation has oppositeAnswer thesigns, then the quadratic equation has real roots. 7[2 marles3. For an AP, if Sn= 5n2-3n, then an = 10n - 817. Prove that14. (tan 0 + 2) (2 tan 0 + 1) = 5 tan 0 + seca e.(18. Use Euclid'• Fill in the blanks by selecting the proper alternative from those given below 19. Find the zeeach statement:between the5. The mean of n observations is x. If the first observation is increased by 1, the GAWe 20. Solve 2x + :second by 2 and so on, the new mean isy = mx + 3.A. x +n B. x + 1 P. x + + 7 D.X6. One letter is chosen randomly from the word PROBABILITY. The probability of that 20.2 women aV letter being a vowel is ..........3 women anto finish theA. 1 B. i c. i b. 17. In one thousand lottery tickets, there are 50 prizes to be given. If Manish buys21. If sin e1 ticket, the probability of him winning a prize is22. Evaluate : sina²+A. 50B. 1000 C100D. 20set8. The solution of the pair of linear equations ajx + buy + C1 = 0 and anx + b2y + C2 = ( 22. If x sinº + yby cross-multiplication method is given by23. AB is a tangb2c - b2c2 ,C2 - 2201b, cz - b₂a,a, c2-acicircle at M.a, b2 - a,b,' 9a,b2-a2b1a,b2-a,b,' 9 a, b₂ - azbiA. X =B. x =_cre-21-01C2a, b₂ - Azbi' 942C1-acza, b2 - AzbiDAX= a, b2-621B C₂ - b₂c,a, b2 - a, b,yazci-a C2a, b₂-aab,23 An A ABC, AHtouloh.

Answer»

Answer:

1.5 is ONE of the zeroes of the polynomial p (x) = 2x°-5x - 13x + 30.

2. If the coefficient of x2 and the CONSTANT term of a QUADRATIC EQUATION has opposite

Answer the

signs, then the quadratic equation has real roots. 7

[2 marles

3. For an AP, if Sn= 5n2-3n, then an = 10n - 8

17. Prove that

14. (tan 0 + 2) (2 tan 0 + 1) = 5 tan 0 + seca e.

(18. Use Euclid'

• Fill in the blanks by selecting the proper alternative from those given below 19. Find the ze

each statement:

between the

5. The mean of n observations is x. If the first observation is increased by 1, the GA

We 20. Solve 2x + :

second by 2 and so on, the new mean is

y = mx + 3.

A. x +n B. x + 1 P. x + + 7 D.X

6. One letter is chosen randomly from the word PROBABILITY. The probability of that 20.2 women a

V letter being a vowel is ..........

3 women an

to finish the

A. 1 B. i c. i b. 1

7. In one thousand lottery tickets, there are 50 prizes to be given. If Manish buys

21. If sin e

1 ticket, the probability of him winning a prize is

22. Evaluate : sin

a²+

A. 50

B. 1000 C100

D. 20

set

8. The solution of the pair of linear equations ajx + buy + C1 = 0 and anx + b2y + C2 = ( 22. If x sinº + y

by cross-multiplication method is given by

23. AB is a tang

b2c - b2c2 ,C2 - 2201

b, cz - b₂a,

a, c2-aci

circle at M.

a, b2 - a,b,' 9

a,b2-a2b1

a,b2-a,b,' 9 a, b₂ - azbi

A. X =

B. x =

cre-21-01C2

a, b₂ - Azbi' 9

42C1-acz

a, b2 - Azbi

DAX= a, b2-621

B C₂ - b₂c,

a, b2 - a, b,

azci-a C2

a, b₂-aab,

23 An A ABC, AH

touloh.

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