Q What is the solution of 33x-5=19x a) 5/2 b) 5 - Maths - Exponents and Powers

Question

Q What is the solution of 3 3 x - 5 = 1 9 x ?
a) 5/2 b) 5 c) 1 d) 7/3
Q Evaluate 16 81 3 4

Shruti Tyagi · Accepted Answer

Dear Student,

Question 2)33x-5=19x⇒33x-5=132x⇒33x-5=132xas we know 1xa=x-a⇒33x-5=3-2xas base are same equating the powers3x-5=-2x⇒3x+2x=5⇒5x=5⇒x=1Question 4)168134⇒243434as we know xab=xab⇒2334×4⇒233=2333=827
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Q What is the solution of 3 3 x - 5 = 1 9 x ? a) 5/2 b) 5 c) 1 d) 7/3 Q Evaluate 16 81 3 4

Q What is the solution of $3^{3 x - 5} = \frac{1}{9^{x}}$ ?
a) 5/2 b) 5 c) 1 d) 7/3
Q Evaluate ${(\frac{16}{81})}^{\frac{3}{4}}$