Question 5 both the parts 5 Evaluate: i 25-1+34-2-1 - Maths - Exponents and Powers

Question

Question 5 both the parts

5 Evaluate:

i   2 5 - 1 + 3 4 - 2 - 1          
            i i   4 7 - 8
× 7 4 - 5

Lovina Kansal · Accepted Answer

Dear student

1) 25-1+34-2-1=52+432-1  ∵a-1=1a=52+169-1=45+3218-1=7718-1=18772) 47-8×74-5=748×475=7875×4548=78-5×45-8   ∵aman=am-n=73×4-3    ∵a-1=1a=34364
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Question 5 both the parts 5. Evaluate: i 2 5 - 1 + 3 4 - 2 - 1 i i 4 7 - 8 × 7 4 - 5