Question

Simplify:

√50 - √98 + √162

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Answer 1

$\huge\star\underline\mathfrak\red{Answer:-}$

√50 - √98 + √162

= √2×5×5 - √2×7×7 + √2×3×3×3×3

= √2×√25 - √2×√49 + √2 √9 √9

= 5√2 - 7√2 + 3×3√2

= 5√2 - 7 √2 + 9√2

= √2(5-7+9)

= √2 (11)

= 11√2