Q 1: Expand (5x+2y)^{2}. 25x^{2}20xy+4y^{2} 25x^{2}+20xy+2y^{2} None of these 25x^{2}+20xy+4y^{2}

Q 2: (17x+7) (7y+9) = _____? 119xy+153x+49y+63 117xy+153x+49y+63 119xy+155x+49y+63 119xy+153x+46y+63

Q 3: (5x+2).(5x+3) = _____? None of these 25x^{2}25x+6 25x^{3}+25x+6 25x^{2}+25x+6

Q 4: (x1)^{2} = _____? None of these x^{2}+2x+1 x^{2}2x1 x^{2}2x+1

Q 5: Divide 6a^{4} by 2a^{2}. 3a^{3} None of these 3a^{} 3a^{2}

Q 6: Divided (3x^{2} + 6x) by 3x. x^{2} + 2 x^{} + 3 x + 2 x  2

Q 7: If (x+1/x) = 9 find x^{2}+1/x^{2}. 79 89 75 69

Q 8: If x+y = 11 and xy = 24, find the value of x^{4}+y^{4}. 4177 4377 4277 4477

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Question 10: This question is available to subscribers only!

