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P1= 10
Q1 = 40
Es= 1.
Q/P = Q/∆Q ×100
-------------------
P
1 = 40
---- × 100
x
-----------------
10
10 = 40
----- ×100
x
10x = 4000
x = 400.
P. ∆Q
---- ×. -----
Q. ∆P
10. 400
---- ×. ------ = 1
40. ∆P
1
-- × 400 = ∆P
4
100 = ∆P.
Sorry for late answering.
Q1 = 40
Es= 1.
Q/P = Q/∆Q ×100
-------------------
P
1 = 40
---- × 100
x
-----------------
10
10 = 40
----- ×100
x
10x = 4000
x = 400.
P. ∆Q
---- ×. -----
Q. ∆P
10. 400
---- ×. ------ = 1
40. ∆P
1
-- × 400 = ∆P
4
100 = ∆P.
Sorry for late answering.
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