hkj1385
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4
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307
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About
I have done B.E in Civil Engineering & am currently working in L&T Construction as a Planning engineer.I teach physical chemistry & mathematics part time.
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Answered a Question in Math
`a(t) = sin(t) + 3cos(t)` `v(t) = cos(t) + 3sin(t) + a` `Now, v(0) = 2` `Thus, 2 = cos(0)+3sin(0)+a` `or, 2 = 1 + 0 + a` `or., a = 3` `Now, v(t) = cos(t) + 3sin(t) + 3` `Thus, s(t) = sin(t) ... 
Answered a Question in Math
`f'(x) = cos(x)  (1x^2)^(1/2)` `f(x) = sin(x)  sin^1(x) + c` `` 
Answered a Question in Math
`f'(x) = 2e^x + sec(x)tan(x)` `f(x) = 2e^x + sec(x)` `` 
Answered a Question in Math
`f''(x) = 1  6x + 48x^2` `f'(x) = x  3x^2 + 16x^3 + a` `Now, f'(0) = 2` `i.e. 2 = a` `Thus, f'(x) = x  3x^2 + 16x^3 + 2` `f(x) = (x^2/2)  x^3 + 4x^4 + 2x + b` `Now, f(0) = 1` `Thus, b = 1`... 
Answered a Question in Math
`f''(x) = 2x^3 + 3x^2  4x + 5` `or, f'(x) = {(1/2)x^4} + x^3  2x^2 + 5x + a` `or, f(x) = {(1/10)*x^5} + (x^4/4)  {(2/3)x^3} + {(5/2)x^2} + ax + b` `Now, f(0) = 2` `i.e. 2 = b` `Also, f(1) = 0`...
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