2. Solve 2cos2x - 7cosx = -3 over -o, 0)

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A: Topic:-  limits   

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A: v→=6,-1v→=36+1=37

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Q: (b) Explain why the integral e x'dx is convergent.

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A: The given question can be solved as shown in step2.

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Q: -4 -3 -2 -1 4 2.

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A: Solution: AX=b A=22341-3,     X=xyz,     b=03

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Q: E valuate the improper integral Sma Xe* de Ina

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Q: Find the General Solution: y" - 3y' + 2y =e*

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Q: 7. lim(9x-3x+4) (x-3)(* 8. lim EX-2. x*+1

A: limx→139x2-3x+4  

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Q: (2х — 5, х 20 lim h(x) : where h(x) = x→-4 x + 7, x < 0 Table 1: x -5 -4.5 -4.1 -4.01 -4. 001 approa...

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Q: DEGREE

A: We have to determine the order, degree and linearity of the given differential equations according t...

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A: Integration

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Q: (b) If f(x) = anx", specify the domain of f. %3D

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Q: 17, सिद्ध कीजिये कि बिन्दु a-2b+5c,2a 46+7c तथा 3 (UP 2001) समरेखीय हैं, जहाँ a. b. c असमतलीय सदिश ह...

A: Let, the vectors be, u = a - 2b + 5c  v = 2a - 4b + 7c  w = 3c   

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Q: 9-36 Evaluate the integral. So 36 - 9. x'V16 + x?;dx 10. dx V9 6, Vx² 1 dx 13 - dx 36 - х2 11. 12. d...

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Q: https://www.zweigmedia.com/RealWorld/calctopic1/contanddiff.htm 8. At which value of x does the grap...

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A: We know, 2ab cos C = a² + b² - c²  So, 2ab (- sin C) (∂C/∂c) = - 2c  So, (ab sin C) (∂C/∂c) = c  So,...

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Q: 40. 1 1+ 1/n n = 1 n

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Q: quation. Do not simplify.)

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A: Formula: Circle equation (x-x1)2+(y-y1)2 =r2 given, Centre on y=x is (b,b) And radius =k

Q: (b) If u = x² cos y+ye", where x = s+2t and y = st, prove that ди ди 2 = (s – 2t) (x siny– xye – e")...

A: u=x2cosy+yexyx=s+2ty=st

Q: Solve the differential equations. (y Jri i y²) dx xdy When x=V3, y = 1

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A: As per our guideline we are supposed to be answer only one question you can repost other questions i...