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Find the following squares by using the ...

Find the following squares by using the identities.
(i) `(b-7)^2`
(ii) `(xy+3z)^2`
(iii) `(6x^2-5y)^2`
(iv) `((2m)/3+(3n)/2)^2`
(v) `(0.4p-0.5q)^2`
(vi) `(2xy+5y)^2`

Text Solution

Verified by Experts

`(i) (b−7)^2`
`=b^2+7^2−2(b)(7)`
`=b^2+49−14b `
`(ii) (xy+3z)^2`
`=(xy)^2+(3z)^2+2(xy)(3z)`
`=x^2y^2+9z^2+6xyz `
...
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