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please solve question 1 ,7 , 8 ,9 , it is sooo ugent dooo it fast ( 1 question toh jaroor karnaa please )​

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Answer:

Step-by-step explanation:

7) ROOT 2 x square -3x- 2root 2=0 is in the form-

ax square+bx+c=0

multiply root 2X square and 2root2 we GET 4 (a*c)

root 2 x square -4x+x- 2root 2=0

√ 2 x(x-2√2) + 1(x-2√2)=0

(√2x+1) (x-2√2)=0

x=2√2 and -1/√2

roots of the above EQUATION are 2√2 and -1/√2



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