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Write the following in expanded form: (9...

Write the following in expanded form: `(9x+2y+z)^2`

Text Solution

Verified by Experts

We will expand the given expression by using formula
`(a+b+c)^2[a^2+b^2+c^2+2(ab+bc+ca)]`
`(9x+2y+z) ^2 = 81x^2+4y^2+z^2+36xy+4yz+18xz`.
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