Simplify : √40 + √90
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Answer:
given
√40+√90
sol: √40+√90
(√40=√10×√4
√90=√10×√9)
√40+√90
=√10×√4+√10×√9
=√10×2+√10×3
=2√10+3√10
=5√10
√40+√90=5√10
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