What is the square root of 98 minus, square root of 24 plus the square root of 32?
3 Answers
Explanation:
Explanation:
Explanation:
"using the "color(blue)"law of radicals"using the law of radicals
•color(white)(x)sqrtaxxsqrtbhArrsqrt(ab)∙x√a×√b⇔√ab
"simplifying each radical gives"simplifying each radical gives
sqrt98=sqrt(49xx2)=sqrt49xxsqrt2=7sqrt2√98=√49×2=√49×√2=7√2
sqrt24=sqrt(4xx6)=sqrt4xxsqrt6=2sqrt6√24=√4×6=√4×√6=2√6
sqrt32=sqrt(16xx2)=sqrt16xxsqrt2=4sqrt2√32=√16×2=√16×√2=4√2
rArrsqrt98-sqrt24+sqrt32⇒√98−√24+√32
=color(blue)(7sqrt2)-2sqrt6color(blue)(+4sqrt2)=7√2−2√6+4√2
=11sqrt2-2sqrt6=11√2−2√6