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# JEE Free Doubts and Solutions

## Provide answer with Explnation...ThanQ

Asked by vidyavikram10 7th April 2020, 5:44 AM
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## If f(x)f(x) is a differentiable function and g(x)g(x)is a double differentiable function such that |f(x)|≤1|f(x)|≤1 and f'(x)=g(x)f′(x)=g(x). If f2(0)+g2(0)=9f2(0)+g2(0)=9. Prove that there exists some c∈(–3,3)c∈(–3,3)such thatg(c).g''(c)<0

Asked by abhyudith 6th April 2020, 11:40 PM
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## correct order is?

Asked by ashutosharnold1998 6th April 2020, 11:13 PM

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## Use convolution to find inverse 𝑍-transform of  (i) 𝑧2 𝑧2+1    (ii) 𝑧2 (𝑧−2)2(𝑧−3)2

Asked by sakshitiwari1565 5th April 2020, 8:07 PM

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## find T2/T1

Asked by ashutosharnold1998 5th April 2020, 1:32 AM
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## Find the value of 1 + 2/3 - 2/4 + 2/5 + ...... to infinite is :

Asked by arijitdas1908 4th April 2020, 2:09 PM
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## Please solve the equation

Asked by Arijit 4th April 2020, 1:51 PM

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## A ball is thrown in the air at time t = 0 seconds from a 20 ft high platform. The height  of the ball, h(t), can be modeled as a function of time t by the equation h(t) = –16t 2 +  40t + 20. After the ball has reached its maximum height, there comes a point where the  ball is at the same height from the ground as the difference between its launch height  and maximum heights. How any seconds after being thrown did it reach that point?

Asked by zeba.nisa16072004 3rd April 2020, 6:31 PM

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## wjen a vanderwalls  gas undergoes free expansion

Asked by ashutosharnold1998 3rd April 2020, 1:25 AM
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## which of following is true?

Asked by ashutosharnold1998 1st April 2020, 12:56 AM
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## Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:20 PM
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## Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:19 PM
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## Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:18 PM
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## Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:11 PM
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## Detailed solution for this.

Asked by g_archanasharma 16th December 2018, 6:09 PM
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## Sir pls solve this question.

Asked by rsudipto 15th December 2018, 6:13 PM
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## 2nd and 3rd

Asked by StarBoy 15th December 2018, 2:25 PM
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## Sir in this question how is the inverse fn derived. Pls explain in details.

Asked by rsudipto 15th December 2018, 8:55 AM
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## Sir pls solve this question.

Asked by rsudipto 14th December 2018, 9:52 AM
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## Sir pls solve this question.

Asked by rsudipto 14th December 2018, 9:51 AM
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