Math, asked by putti2, 1 year ago

find the value of n

[2/3]^5*[2/3]^4=[2/3]^3n-3

Answers

Answered by gaurav2013c

${( \frac{2}{3}) }^{5} \times {( \frac{2}{3} )}^{4} = {( \frac{2}{3}) }^{3n - 3} \\ \\ { (\frac{2}{3}) }^{(5 + 4)} = {( \frac{2}{3} )}^{3n - 3} \\ \\ bases \: are \: same \: \: \: \: so \: exponents \: \\ are \: equal \: \\ \\ 3n - 3 = 9 \\ \\ 3n = 12 \\ \\ n = 4$

putti2: how that answer came 4

putti2: I didn't understand that bro

putti2: can u explain

gaurav2013c: 3n = 12 so n = 12 / 3 or n = 4

gaurav2013c: which step sis..

putti2: last one bro

gaurav2013c: 3× n = 12 or n = 12 / 3 or n = 4

putti2: bro ok I understood

putti2: Thank u bro

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