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CAT 2019 Surds and Indices — Previous Year Question

Year

CAT 2019

Section

Quantitative

Topic

Surds and Indices

Difficulty

Medium

Question

Slot-2

The real root of the equation 26x+23x+2−21=02^{6x} + 2^{3x+2} - 21 = 0 is

log⁡233\frac{\log_{2}3}{3}

log⁡29\log_{2} 9

log⁡273\frac{\log_{2}7}{3}

log⁡227\log_{2} 27

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