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Verified answer
No.21²log3 = p
³log2 = 1/p
- ³log2 = -1/p
³log2⁻¹ = -1/p
³log(1/2) = -1/p
No. 22
^xlog(3x + 10) = 2
^xlog(3x + 10) = ^logx²
3x + 10 = x²
x² - 3x - 10 = 0
(x + 2)(x - 5) = 0
x = -2 atau x = 5
No.23
^(2x-1)log(5x - 2) = ^(2x-1)log(3x + 6)
5x - 2 = 3x + 6
2x = 8
x = 4