1.

Find the square root of 6+4√2with explain ​

Answer»

Step-by-step EXPLANATION:

( {6 + 4 \sqrt{<klux>2</klux>} )}^{2}

By APPLYING the IDENTITY (a+b)^2= a^2 + 2AB +b^2

= ( {6)}^{2} + 2 \times 6 \times 4 \sqrt{2} + ( {4 \sqrt{2} )}^{2}

= 36 + 48 \sqrt{2} + 16 \times 2

= 36 + 48 \sqrt{2} + 32

= 68 + 48 \sqrt{2}

= 4(17 + 12 \sqrt{2} )


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