1.

(3root18+2root12) (root50-root27)

Answer»

Hi ,

( 3√18 + 2√12 ) ( √50 - √27 )

= [ 3√(3×3×2)+2√(2×2×3)][(√(5×5×2)-√(3×3×3) ]

= ( 9√2 + 4√3 ) ( 5√2 - 3√3 )

= 9√2( 5√2 - 3√3 )+4√3( 5√2 - 3√3 )

= 90 - 27√6 + 20√6 - 36

= 54 - 7√6

I HOPE this helps you.

: )


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