in each of the following , find the value of x
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Answer:
(i) -2
(iv)
Step-by-step explanation:
(i) = (ab)ˣ
= (ab)ˣ
= (ab)ˣ
= (ab)ˣ
ab⁻⁷⁻⁻⁵ = (ab)ˣ
ab⁻⁷⁺⁵ = (ab)ˣ
ab⁻² = (ab)ˣ
(ab)ˣ = ab⁻²
x = -2
(iv) + = (125)ˣ
3² + 4² = (125)ˣ
9 + 16 = (125)ˣ
25 = (125)ˣ
(125)ˣ = 25
= 5²
5³ˣ = 5²
3x = 2
x =
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