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4x + i (3x - y) = 3 + i(-6)

Comparing real and imaginary parts

4x = 3

x = 3/4

Now,

3x - y = -6

3 × (3/4) - y = -6

9/4 - y = -6

y = 9/4 + 6

y = 33/4

Equation of Circle is x² + y² = r²,

with radius r and center (0,0)

So, in x² + y² = 25

r² = 25

r = 5 ( taking postive value)

b) 5 is correct answer

ig u did some other question

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3x+2ky=2=>2ky=-3x+2=>y=(-3/2k)x+(1/k)slope(m1)=(-3/2k)

also,2x+5y-1=0=>5y=-2x+1=>y=(-2/5)x-(1/5)slope(m2)=(-2/5)

Since, graph of lines are parallel

Therefore, m1= m2that is, (-3/2k) = (-2/5)Value of k = 15/4

thanx mera answer right hai

1) p(x)=2x^3+x^2-2x-1, g(x)= x+1, p(g(x))=2( x+1)^3+( x+1)^2- 2(x+1)-1 = 2( x^3+1+3(x)(1)(x+1))+x^2+1+2x-2x+2-1 = 2x^3+2+3x(x+1)+x^2+1+1= 2x^3+x^2+3x^2+3x+2+2= 2x^3 + 4x^2 +3x +4

( x + 1)² = 2 ( x - 3)

x² + 2x + 1 = 2x - 6

x² + 7 = 0

As higehst degree is 2 so it is quadratic Equation

A decision tree is a graphical representation of possible solutions to a decision based on certain conditions.

It's called a decision tree because it starts with a single box (or root), which then branches off into a number of solutions, just like a tree.

22 is the correct answer for this question i.e.-37+22=-15

the answer is 22 is correct

-37+__ =-15=-37-15=22 answer

-37+_=-15x=37-15x=22

A chord AB of a circle and a line PAQ. Such thatangle BAQ=angle ACB where c is any point in the alternate segment ACB.

To Prove:- PAQ is a tangent to the circle.

Construction:- Let PAQ is not a tangent then let us draw P' AQ' another tangent at A.

Proof: - AS P ’AQ’ is tangent at A and AB is any chord

angle BAQ'=angle ACB

Butangle BAQ=angle BAQ(given)

hence angle BAQ=angle BAQ'

Hence AQ' and AQ are the same line i.e. P' AQ' and PAQ are the same line.

Hence PAQ is a tangent to the circle at A.

Mainfunctions of a political party:

(i) To contest elections:

In most democracies, elections are fought mainly among the candidates put up by political parties. Parties select their candidates in different ways. In India, top party leaders choose candidates for contesting elections,

(ii) Forming policies and programmes: Parties put forward different policies and programmes and the voters choose from them. Each of us may have different opinions and views on what policies are suitable for the society.

(iii) Making laws:

When parties come to power, they make laws for the country. Formally, laws are debated and passed in the legislature. Members of the ruling party follow the directions of party leaders, irrespective of their personal opinions.

(iv) Parties form and run governments:

Parties recruit leaders, train them and then make them ministers to run the government in the way they want.

(v) Role of opposition:

Parties that lose in elections, play the role of opposition to the parties in power by criticising the government for its failures or wrong policies

NominationFunction. Nominate candidates for public office.Informer-StimulatorFunction. Helps to inform & stimulate their members interest & participation.BondingAgentFunction.Partyserves as a bonding agent to ensure the good performance of its candidate & office holders.Govt.function. ...WatchdogFunction.

thnx

First term =a second term =blast term =ccommon difference=(b-a)tn =a+(n-1) d

c=a+(n-1) d

(c-a)=(n-1)(b-a)

(c-a)/(b-a)+1=n

( c+b-2a)/(b-a)=n--------------------(1)now ,we know sum of n terms=n/2 (first term+last term)put equation (1)value = (b+c-2a)/(b-a)(a+c)hence Sn=[(b+c-2a)(c+a)/(b-a)]

if the two lines have same corresponding angle then the lines are parallel

A transversal AB intersects two lines PQ and RS such that∠PLM = ∠SML

To Prove: PQ ||RSUse same figure as in Theorem 2.Proof: ∠PLM = ∠SML ……………equation (i) (Given)∠SML = ∠RMB …………equation (ii) (vertically opposite angles)From equations (i) and (ii);∠PLM = ∠RMB

But these are corresponding angles.We know that if a transversal intersects two lines such that a pair of corresponding angles is equal, then the two lines ate parallel to each other.Hence, PQ║RS Proved.

2sinAcosA-cosA-2sinA+1=02sinA(cosA-1)-cosA+1=02sinA(cosA-1)=cosA-12sinA=cosA-1/cosA-12sinA=1sinA=1/2sinA=sin30A=30therefore magnitude of angle A is 30

3) is correct answer

It can also be written as 1 mm.