(√5)x+1 =(∛5)2x-1 হলে, x = কত?
Solution
Correct Answer: Option D
(√5)x+1 =(∛5)2x⁻1
বা, (51/2 )x+1=(51/3)2x⁻1
বা,5 (x+1)/2 =5 (2x-1)/3
বা,(x+1)/2 =(2x-1)/3
বা,4x-2=3x+3
বা,4x-3x =3+2
বা x =5
বা, (51/2 )x+1=(51/3)2x⁻1
বা,5 (x+1)/2 =5 (2x-1)/3
বা,(x+1)/2 =(2x-1)/3
বা,4x-2=3x+3
বা,4x-3x =3+2
বা x =5
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