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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 14-EXERCISE
- If f(x + 2) = 2x^2 - 3x - 1, find the value of f(x + 1)
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- Three dice are thrown simultaneously. Find the probability that the su...
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- Two variables x and y are related by y=8+2x, if the S.D. of x is 3, th...
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- In three sets P,Q,R if Pcup R=Pcup Qand Pcap Q=PcapR,then show that Q=...
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- sintheta=ksin(theta+phi).show that tan(theta+phi)=(sinphi)/(cosphi-K)
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- In /\ABCif1/(a+c)+1/(b+c)=3/(a+b+c),show that angleC=pi/3
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- Using mathematical induction, prove that 1/5n^5+1/3n^3+7n/15 is a natu...
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- An equilateral triangle in the Argan plane has vertix as z1,z2and z3wh...
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- How many arragements can be made out of the letters of the word FAILUR...
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- Calcualte the sum of the series :1+3/2+7/4+15/8+31/16+….+tn
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- The equation of three sides of a triangle are x + 2y - 5 = 0, x +y = 6...
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- Show that the area of the triangle formed by the lines y = m(1) x + c(...
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- Find the equation, centre, and radius of a circle which is passes thro...
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- By using section formula, show that the points .(1, 2, 3), (-2, 4, 2) ...
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- Evaluate lim(xrarrpi//4)(4sqrt2-(cosx+sinx)^5)/(1-sin2x)
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- If f(x)=sqrt2x-sqrt(2/x)+(4-x)/(4-x), find the value of f(2)
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- If 2x^3 + 5x = 0, where x is a real number, then x = 0’ examine the st...
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- ‘If for any real no x, x^3 + x = 0, then x =0’ prove this by the metho...
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- A,B,C and D are four mutually exclusive and exhuastive events. If the ...
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- Prove thatcos^2alpha+cos^2(120^@-alpha)+cos^2(120^@+alpha)=3/2
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