Question

if p = 2^5 * 3^2 ,q=2^2 * 3 * 5 and r = 3^n * 5 ^2 and lcm (p,q,r) = 2^5 * 3^4 * 5^2 then the value of n is : a) 1 b) 2 c) 3 d) 4​

Answer 1

LCM of some number is the smallest no which can be divided by these no.

LCM (p,q,r) = 2^5*3^n*5^2

As these are the highest powers .

But, A/Q

LCM(p,q,r) = 2^5*3^4*5^2

Hence , n=4

d)4

Answer 2

Step-by-step explanation:

Go through the attachment above..

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