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ICSE Class 9 Answered

how can we solve 8 sum
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Asked by deeya0121 | 01 Jun, 2022, 10:28: AM
answered-by-expert Expert Answer
Given: a-b = 0.9, ab = 0.36
open parentheses a plus b close parentheses squared equals open parentheses a minus b close parentheses squared plus 4 a b equals open parentheses 0.9 close parentheses squared plus 4 left parenthesis 0.36 right parenthesis equals 0.81 plus 1.44 equals 2.25 T h e r e f o r e comma space a plus b equals 1.5 a squared minus b squared equals left parenthesis a plus b right parenthesis left parenthesis a minus b right parenthesis equals left parenthesis 1.5 right parenthesis left parenthesis 0.9 right parenthesis equals 1.35
Answered by Renu Varma | 01 Jun, 2022, 11:57: AM

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