Question

1 X 5 h 4-1
- 11 12
3XE 2
1-15 % E14 |
$}^{?}$
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Answer 1

Answer:

Step-by-step explanation:

10×5(n+1)+25×5(n)3×5(n+2)+10×5(n+1)  

=2×5×5(n+1)+52×5n3×5(n+2)+2×5×5(n+1)  

=2×5(n+2)+5(n+2)3×5(n+2)+2×5(n+2)  

= 5(n+2)(2+1)5(n+2)(3+2)  

=  35

Answer 2

Required answer:-

Refer to the attachment also

Hope it helps you