Q 1: (9x6)^{2} = _____? 81x^{2}108x+36 9x^{2}108x+36 81x^{2}+108x+36

Q 2: 16(2x+3y+z) = _____? Answer:

Q 3: (6a7b)(6a+7b) = _____? (12a)^{2}(6b)^{2} (a)^{2}+(7b)^{2} (6a)^{2}(7b)^{2} 6a^{2}7b^{2}

Q 4: Divide [(3a)^{3} + (3b)^{3}] by (3a+3b). 9a^{3}9ab+9b^{3} 9a^{2}+9ab+9b^{2} 9a^{2}9ab+9b^{2}

Q 5: If (x+1/x) = 25 find x^{2}+1/x^{2}. 630 623 625

Q 6: Find the square root of 729x^{8}y^{10}z^{2}. 27x^{4}y^{5}z 27x^{3}y^{8}z 23x^{4}y^{5}z

Q 7: Factorise 81x^{2 } 90x + 25. (9x+5)(9x5) (9x+5)(9x+5) (9x5)(9x5)

Q 8: (15x+3)(4y1) = _____? 60xy15x+12y3 60xy+15x+12y3 60xy15x12y3

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Question 10: This question is available to subscribers only!

