Mathematics
Solve the following equation for x:
log7 (2x2 - 1) = 2
Logarithms
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Answer
Given,
⇒ log7 (2x2 - 1) = 2
⇒ 2x2 - 1 = 72
⇒ 2x2 - 1 = 49
⇒ 2x2 = 50
⇒ x2 = 25
⇒ x = 5, -5.
Hence, x = 5, -5.
Answered By
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Solve the following equation for x:
log7 (2x2 - 1) = 2
10 Likes
Given,
⇒ log7 (2x2 - 1) = 2
⇒ 2x2 - 1 = 72
⇒ 2x2 - 1 = 49
⇒ 2x2 = 50
⇒ x2 = 25
⇒ x = 5, -5.
Hence, x = 5, -5.
Answered By
5 Likes