1.

If a = 2, b = − 2, find the value of: (i) a2 + b2 (ii) a2 + ab + b2 (iii) a2 − b2

Answer»

If a
= 2, b = − 2, find the value of:



(i) a2
+ b2 (ii) a2 + ab +
b2 (iii) a2b2



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