Q 1: Divide [(3a)^{3} + (3b)^{3}] by (3a+3b). None of these 9a^{2}+9ab+9b^{2} 9a^{2}9ab9b^{2} 9a^{2}9ab+9b^{2}

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

Q 3: (7x+1)(6y3) = _____? 42xy21x+6y3 42xy21x3 42x21x+6y3 42xy21xy+6y3

Q 4: Find the value of (31)^{2} using formula. 951 941 961 971

Q 5: Find the product of (x+2)(3x+5). 3x^{2}+9x+10 3x^{2}+11x+10 3x^{2}11x+10 None of these

Q 6: If a+b+c = 6 and a^{2}+b^{2}+c^{2} = 20, find the value of ab+bc+ca. 2 6 8 4

Q 7: Divide 45x^{3}y^{4} by 9x^{3}y^{3}. 5y^{2} None of these 5y^{3} 5y

Q 8: Find the product of (x3)(x5)(x+7). x^{3}x^{2}41x+105 None of these x^{3}x^{2}41x+105 x^{3}x^{2}41x+105

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