Simplify: ( 5√3 + 3√2) ( 5√3 - 3√2)
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( 5√3 + 3√2 )( 5√3 - 3√2 )
= (5√3)² - (3√2)² [ since, (a + b)(a - b) = a² - b² ]
= 5²√3² - 3²√2²
= 25×3 - 9 × 2
= 75 - 18
= 57
Hope it helps you! And good luck!
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