The Total solution for NCERT class 6-12
Find the value of m forwhich 5m ÷ 5-3 = 55.
5m ÷5-3 =55⇒ 5m-(-3) = 55 [∵ am ÷an =am-n]⇒ 5m+3 = 55Comparing the powers of equal bases, we havem + 3 = 5m = 5 – 3 = 2, i.e., m = 2