3a^2+2b^2/2b^2-a^2=15/7 then find a:b
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here is your answer dude...thank u...
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kvmprasannakumar:
Thank you bro
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2
Answer:
(A/B ) = (4/6)
Step-by-step explanation:
<<<< HEY DEAR >>>>
HERE IS YOUR ANSWER.....
=> 7(3a^2 + 2b^2) = 15(2b^2 -a^2)
=> 21a^2 + 14 b^2 = 30b^2 - 15a^2
=> 21a^2 + 15 a^2 = 30b^2 - 14b^2
=>36a^2 = 16b^2
=> (a/b)^2 = (4/6)^2
square rooting both sides..
=> (a/b) = (4/6)............... ANS..
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