Verify using laws of exponents
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umachy71:
which one b or c
by the way its not verification
the question should be find the value x
as far as per my knowledge
Both u should do..The question is correct it's from my textbook..
ok
Answers
Answered by
9
solution is given in the picture
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Thanks!! Btw I want both of them..
both of them are in the picture dude!!!
Oh.. Sorry!! I didn't see it..Am really sorry!!
itsss okkkayyyy
Answered by
14
(b)
5^x+1 = (25×5^x)1/5
5^x+1 = (5²×5^x)1/5
5^x+1 = 5^2+x-1
[a^m×a^n = a^m+n
a^m/a^n = a^m-n]
5^x+1 = 5^x+1
LHS = RHS
(c)
(3/5)^x-1 = 3^x × 5/5^x × 3
3^x-1/5^x-1 = 3^x-1 × 5^1-x
3^x-1 × 5^1-x = 3^x-1 × 5^1-x
LHS = RHS
Hope it helps
5^x+1 = (25×5^x)1/5
5^x+1 = (5²×5^x)1/5
5^x+1 = 5^2+x-1
[a^m×a^n = a^m+n
a^m/a^n = a^m-n]
5^x+1 = 5^x+1
LHS = RHS
(c)
(3/5)^x-1 = 3^x × 5/5^x × 3
3^x-1/5^x-1 = 3^x-1 × 5^1-x
3^x-1 × 5^1-x = 3^x-1 × 5^1-x
LHS = RHS
Hope it helps
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