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Limx→0f(x) और limx→1f(x) ज्ञात कीजिए, जहाँ f(x)={2x+3x≤03(x+1)x>0 - Mathematics (गणित)

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Question

`lim_(x → 0) f(x)` और `lim_(x → 1) f(x)` ज्ञात कीजिए, जहाँ

`f(x) = {(2x + 3, x ≤ 0),(3(x+1), x > 0):}`

Sum

Solution

`f(x) = {(2x + 3, x ≤ 0),(3(x+1), x > 0):}`

`lim_(x → 0^-) f(x) = lim_(x → 0)[2x + 3] = 2(0) + 3 = 3`

`lim_(x → 0^+) f(x) = lim_(x → 0) 3(x + 1) = 3(0 + 1) = 3`

∴ `lim_(x → 0^-) f(x) = lim_(x → 0^+) f(x) = lim_(x → 0) f(x) = 3`

`lim_(x → 1^-) f(x) = lim_(x → 1) 3(x + 1) = 3(1 + 1) = 6`

`lim_(x → 1^+) f(x) = lim_(x → 1) 3(x + 1) = 3(1 + 1) = 6`

∴ `lim_(x → 1) f(x) = lim_(x → 1^-) f(x) = lim_(x → 1^+) f(x) = 6`

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सीमाएँ - बहुपदों और परिमेय फलनों की सीमाएँ
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Chapter 13: सीमा और अवकलज - प्रश्नावली 13.1 [Page 319]

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NCERT Mathematics [Hindi] Class 11
Chapter 13 सीमा और अवकलज
प्रश्नावली 13.1 | Q 23. | Page 319
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