Q 1: Divide [(3a)^{3} + (3b)^{3}] by (3a+3b). 9a^{3}9ab+9b^{3} 9a^{2}9ab+9b^{2} 9a^{2}+9ab+9b^{2}

Q 2: (a+b)(c+d) = ac + ad + bc + bd, is this statement is true for any pair of real numbers? False True

Q 3: (7x5)^{2} = _____? 35x^{2}30x+12 49x^{2}+70x25 49x^{2}70x+25 14x^{2}35x+10

Q 4: Find the value of 69*71 using formula. 4998 4989 4899

Q 5: Factorise 81x^{2 } 18x + 1. (9x1)(9x1) (9x+1)(9x+1) (9x+1)(9x1)

Q 6: (x3)^{2} 64 = _____? (x+5)(x+11) (x+5)(x11) (x5)(x11)

Q 7: Factorise 16x^{2 } 24x + 9. (4x+3)(4x+3) (4x+3)(4x3) (4x3)(4x3)

Q 8: Factorise 9x^{2 }+ 24x + 16. (3x4)(3x+4) (3x+4)(3x+4) (3x4)(3x4)

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Question 10: This question is available to subscribers only!

