14 Evaluate :

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Asked by deshmukhkedar68 | 20th Jul, 2020, 09:51: AM

Expert Answer:

begin mathsize 16px style square root of 50 space minus space square root of 98 space plus space square root of 162
equals space square root of 25 cross times 2 end root space minus space square root of 49 cross times 2 end root space plus space square root of 81 cross times 2 end root
equals 5 square root of 2 space minus space 7 square root of 2 space plus space 9 square root of 2
equals open parentheses 5 minus 7 plus 9 close parentheses square root of 2 space
equals 7 square root of 2 end style

Answered by Yasmeen Khan | 20th Jul, 2020, 11:36: AM