If 3 , y, 81 are in A. P then y = ?
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If (2^x) (2^y) = 8 and (9^x)(3^ y) = 81, then (x,y) equals: A. (1,2) B. (2,1) C. (1 ,1) D. (2,2) E. (1,3) I understand how to cancel out things for the ...
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Haa bhai 42 hoga
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Hey there !
If 3 , y, 81 are in A. P
then y - 3 = 81 - y
y + y = 81 + 3
2y = 84
y = 42
Here, We equated the common differences.
========================================
If 3 , y, 81 are in A. P
then y - 3 = 81 - y
y + y = 81 + 3
2y = 84
y = 42
Here, We equated the common differences.
========================================
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