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                   if A denotes the area bounded by f(x)=mod (sinx+cosx whole divided by x),x axis ,x=Π and x=3Π the A what r the max and min value of A


3 years ago

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                                        Ans:Using the inequality$m(b-a)\leq \int_{a}^{b}f(x)dx\leq M(b-a)$$a = \pi , b = 3\pi$$m\leq f(x)\leq M$Max. value of A$2\pi M$Min. value of A$2\pi m$You can easily find the m & M from f(x) (I am not finding b/c f(x) is not clear)Thanks & RegardsJitender SinghIIT DelhiaskIITians Faculty

one year ago

integrate [sin(x+a)]/[sin(x+b)] a and b are constants

use over here substitution let x+a=t and further solve plz aprve

the then u could use by parts

the above problem

 DURGARAM 2 months ago
∫x 9 ÷(x 2 +4) 6 =?

 jagdish singh singh 25 days ago
what is the use of vector space

To represent the quantity wich have both magnitude and direction.

 Vineeth one year ago

Hiiii I am from tutorsduniya.com .We connect students with teachers on facebook,whats app,etc.You can clear your concepts from teachers .You can ask them anything , you like to, be frank...

 vikash khandelwal one year ago

By understanding laws of vectors we can represent a physical quantity wich has both magnitude and direction in mathematical form ,also with selecting a reference point . By understanding...

 Vineeth one year ago
=> x=y => x*x = y*x => x2 = yx => x2-y2 = yx- y2 => = y => x+y = y => y+y =y => 2y* 1 = y *1 => 2y / y = 1 => 2 =1 prove that this is wrong

x^2-y^2=yx-y^2 (x-y)(x+y)=y(x-y) x-y=0 since 0/0 is undefined u cant cut (x-y) on either side and therefore writting (x+y)=y is wrong

 purva gupta 2 months ago
How to prove 1 + Cos4x/2 = Cos 2 2x .

we know that cos2x= 2cos 2 x -1 replace x by 2x then cos4x=2cos 2 2x -1 so,(1+2cos 2 2x -1)/2 =(2cos 2 2x)/2 =cos 2 2x

 Akhil Chinnu 3 months ago

1+cos4x/2= (1+2cos 2 2x -1)/2 because cos2x=2cos 2 x -1 so =2cos 2 2x/2 = cos 2 2x. Hence the proof

 Kartik Sawant 4 months ago
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