Math, asked by jaykrishvara7, 1 year ago

Simplify
 \sqrt{45}  +  \sqrt{80}  -  \sqrt[3]{20?}

Answers

Answered by rajnandb383
3

ANSWER: - 3√5

 \sqrt{45} + \sqrt{80} - \sqrt[3]{20?}

Step-by-step explanation:

√45 + √80 - ³√20

∴ √5×9 + √4 × 20 - ³√5 × 4

∴ 3√5 + 2√20 × - 2³√5

∴ 3√5 + 2√5×4 × - 2³√5

∴ 3√5 + 4×2√5 × - 2³√5

∴ 3√5 + 8√5 × - 2³√5

∴ 3√5 + 8√5 × - 8√5

∴ (3 + 8 - 8)√5

∴ 3√5

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