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  • If a = 2, b = - 2, find the value of: (ii) a^2 + ab + b^2

Q. 4.     If a=2,b=-2, find the value of:

            (ii)  a^{2}+ab+b^{2}

Answers (1)

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\\a^2 + ab + b^2 \\= 2^2 + 2 \times ( -2 ) + ( -2 )^2 \\= 4 - 4 + 4 \\= 4

If a = 2 and b = -2 the value of a2 + ab + b2 = 4

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