find the value of k for which the following pair of linear equations has unique solution 2x+3y=7 ; (k-1)x + (k+2)y = 3k
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Answered by
46
Hey !!
Check the attachment.
Hope it helps :)
Check the attachment.
Hope it helps :)
Attachments:
sayajiraogaikw:
thnx buddy
what is R ??
Real numbers
Means "k" can take any value except "7"
ohh thnq once again
My pleasure
^_^
Answered by
11
a1/a2=b1/b2≠c1/c2
2/(k-1)=3/(k+2)
3k-3=2k+4
k=7
2/(k-1)=3/(k+2)
3k-3=2k+4
k=7
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