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CBSE Class 9 Answered

Please solve this question 
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Asked by vikasg13.hardware | 23 Jun, 2018, 05:14: PM
answered-by-expert Expert Answer
begin mathsize 16px style straight a square root of straight a plus straight b square root of straight b equals 183 rightwards double arrow open parentheses square root of straight a close parentheses cubed plus open parentheses square root of straight b close parentheses cubed equals 183....... left parenthesis straight i right parenthesis straight a square root of straight b plus straight b square root of straight a equals 182 rightwards double arrow open parentheses square root of straight a close parentheses squared square root of straight b plus square root of straight a open parentheses square root of straight b close parentheses squared equals 182........ left parenthesis ii right parenthesis Multiplying space equation space left parenthesis ii right parenthesis space by space 3 space and space add space to space left parenthesis straight i right parenthesis open parentheses square root of straight a close parentheses cubed plus open parentheses square root of straight b close parentheses cubed plus 3 square root of straight a square root of straight b open parentheses square root of straight a plus square root of straight b close parentheses equals 729 open parentheses square root of straight a plus square root of straight b close parentheses cubed equals 729 square root of straight a plus square root of straight b equals 9 square root of ab open parentheses square root of straight a plus square root of straight b close parentheses equals 182 square root of ab equals 182 over 9 straight a plus straight b equals open parentheses square root of straight a plus square root of straight b close parentheses squared minus 2 square root of ab straight a plus straight b equals 81 minus 364 over 9 equals 365 over 9 9 over 5 open parentheses straight a plus straight b close parentheses equals 73 end style
Answered by Sneha shidid | 26 Jun, 2018, 11:16: AM

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