Question

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Find the sum of √72 and √50.
(1) √122
(2) 11√2
(3) 30√2
(4) √2

Answer 1

11√2

Step-by-step explanation:

Step-by-step explanation:

using the law of radicals

√a×√b⇔√ab

simplifying each radical

√72=√36×2=√36×√2=6√2√50=√25×2=√25×√2=5√2⇒√72+√50=6√2+2