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Subject
Level
Highschool
Grade
7

Answer

(3)^(m+1) ×(2)^n ×5×7.

Steps

A=(3)^m×(2)^n×5

B= (3)^(m+1) × (2)^n×5×7

= (3)^m × (3)^1 × (2)^n ×5 ×7

Taking out common terms

Lcm = (3)^m × (2)^n×5 × (3)^1 × 7

= (3)^(m+1) × (2)^n ×5 ×7.

 

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