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If a=2 and b=-2, find the value of (i)...

If `a=2 and b=-2,` find the value of
(i) `a^2 + b^2` (ii) `a^2 + ab + b^2` (iii) `a^2 – b^2`

Text Solution

Verified by Experts

`=>a^2+b^2`
`=>(2)^2+(−2)^2` [Putting `a=2,b=−2]`
`=>4+4=8`
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