Math, asked by savita31, 1 year ago

if (3a-2b)=9 and ab =7,find the value of 9a2+4b2

Answers

Answered by aksittyagi
16
ur answer hope it hlps u in ur problem thank u
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aksittyagi: sory sory its wrong the real ans is 165
aksittyagi: jldi jldi me glt ho gya sory
aksittyagi: dont mind plz
savita31: can you solve it again and send
aksittyagi: no bcs it is nt posibl to take other photo and send it to u
aksittyagi: u canjust see the opening squre line then 12AB is in neg so after going the opposite of equl it change his sign as paositive so we will add the rest 81 an 84 and it will become 166
aksittyagi: so 9a2+4b2=165
aksittyagi: understand frnd
aksittyagi: i will do olit u can see now
aksittyagi: dekh liya kiya aapne
Answered by vkxyz26971
1

 {9a}^{2}  -  {4b }^{2} should \: be \:  there
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