अवकलज का प्रयोग करके निम्नलिखित में से प्रत्येक का सन्निकट मान ज्ञात कीजिए;
(a) \frac{17}{81}^{1}{4} (b) (33)^-\frac{1}{5}
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Given :
To find : प्रत्येक का सन्निकट मान
Solution:
f(x) =
f(x) =
17 = 16 + 1
x = 16 Δx = 1
f'(x) =
f(x + Δx ) = f(x) + f'(x) Δx
=> f(17) = f(16) + f'(16) 1
f(16) = 2
f'(16) = 1/32
f(17) = 2 + 1/32
=> f(17) = 65/32
f(17)/3 = 65/96 = 0.677
(17/81)^(1/4) = 0.677
33^(-1/5)
f(x) = x^(-1/5)
=> f'(x) = (-1/5) x^(-6/5)
f(x + Δx) = f(x) + f'(x)Δx
x = 32 Δx = 1
f(32) = 1/2
f'(32) = -1/320
1/2 - 1/320
= 159/320
= .496875
और सीखें :
f(2.01) का सन्निकट मान ज्ञात कीजिए जबकि f(x) = 4x^{2} + 5x + 2
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f(5.001) का सन्निकट मान ज्ञात कीजिए जहाँ f(x) = x^{3} – 7 x^{2} + 15
brainly.in/question/16308025
सिद्ध कीजिए कि y=log(1+x) - \frac{2x}{2+x} , x> - 1
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