Q 1: Factorize, x^{2}+10x+21. (x+2)(x+7) (x+3)(x+7) (x+4)(x+8) None of these

Q 2: The root of the quadratic equation: 2x^{2}  7x + 3 = 0 are x = 3 and x = __ Answer:

Q 3: m^{2}  mn  42n^{2} (m8n)(m+7n) (m7n)(m+6n) (m5n)(m+4n)

Q 4: x^{2}  4xy + 4y^{2}
(x2y)^{2} (x2y)(x+2y) (x2y)(x2y)

Q 5: Factorize, 3x^{2}13x+12. (4x7)(x4) (3x2)(x6) (3x6)(x5) (3x4)(x3)

Q 6: Factorize, 4x^{4}25x^{2}+36. (x2)(x2)(2x+3)(2x3) None of these (x+2)(x2)(2x+3)(2x3) (x+2)(x2)(2x3)(2x3)

Q 7: Factorize, x^{2}+12x+35. (x+4)(x+6) (x+2)(x+7) None of these (x+7)(x+5)

Q 8: Factorize, 9x^{4}+40x^{2}+16. (3x+2)(3x2)(x2)(x2) (3x+2)(3x2)(x+2)(x2) None of these (3x2)(3x2)(x+2)(x2)

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Question 10: This question is available to subscribers only!

