Q 1: If (x+1/x) = 25 find x^{2}+1/x^{2}. 625 630 623

Q 2: (x5).(x+2) = _____? 5x^{2}3x10 x^{2}3x10 x^{2}3x+10

Q 3: (4x+3)(6x3) = 24x^{2}+___9. Answer:

Q 4: If x=5, then 7x^{2}+3x+2 = 157 False True

Q 5: Factorise 9x^{2 }+ 24x + 16. (3x4)(3x+4) (3x+4)(3x+4) (3x4)(3x4)

Q 6: (6a7b)(6a+7b) = _____? (a)^{2}+(7b)^{2} (6a)^{2}(7b)^{2} (12a)^{2}(6b)^{2} 6a^{2}7b^{2}

Q 7: Express 42x+18y as product of factors. 3(7x+6y) 7(6x+3y) 6(7x+3y)

Q 8: Find the square root of 1936x^{2}y^{4}. 42xy^{4} 48xy^{2} 44xy^{2}

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Question 10: This question is available to subscribers only!

