what will be the rate of interest per annum if the sum doubles itself in 5 years
Plzz tell me step by step for 7 class plzz i need this ans now it's urgent....
Answers
Answered by
3
Step-by-step explanation:
Given, object distance, u = –25 cm
Focal length, f = –25 cm, image distance, v = ?
From lens formula,
\frac{1}{v} - \frac{1}{u} = \frac{1}{f}
v
1
−
u
1
=
f
1
Answered by
1
Step-by-step explanation:
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