Question

simplify: (5√3+3√2) (5√3-3√2)​

Answer 1

Answer:

$(5 \sqrt{3} + 3 \sqrt{2} )(5 \sqrt{3} - 3 \sqrt{2)} \\ \\ using \: identity \\ (a + b)(a - b) = a^{2} - b^{2} \\ (5 \sqrt{3} ) ^{2} -( 3 \sqrt{2} )^{2} \\ = 75 - 18 \\ = 57$

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