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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 15-EXERCISE
- Find the value of tan 20^@ tan 40^@ tan 80^@.
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- In /\PQR, angleP = 60^@, show that q + r = (q-p)/2
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- If z=(sqrt3-i)/2, then Find the. value of z^33
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- If ^25Cr=^25C(2r+1),the value of ^rC5is
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- If (1+x)^n=C0+C1x+C2x^2+…..+Cnx^n.then show that C1+2C2+….nCn=n.2^(n-1...
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- Calculate the sum of the series : 3-3/2+3/2^2-3/2^3+….
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- Find the length of the intercept of the staight line 3x +4y = 12 with ...
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- Find the image of the co-ordinate of a point.(-3, 4, 7) with respect t...
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- Find the value of :lim(xrarr0)(sin2x+sin6x)/(sin5x-sin3x)
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- If 4f(x) + 3f(-x) = 7 - 3x, find the value of f(1).
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- A box contains 6 white balls and 4 black balls, A ball is drawn at ran...
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- Mean of the getting mathematics number of 70 students is 45. If SD is....
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- A and B are two sets and if n(A) = 4 and n(B) = 7, then find the minim...
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- Show that cot 7(1^@/2)=2+sqrt2+sqrt3+sqrt6
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- If a^4+b^4+c^4+a^2b^2=2c^2(a^2+b^2),, then show thatangleC=60^@or120^@
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- By ........in "Principle of Mathematical Induction" prove that for all...
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- If w be a imaginary cube root of uniyt and a+b+c=0 then show that (a+b...
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- How many different numbers of 5 digits each (without repetition of dig...
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- Prove that the middle term in the expansion of (1+x)^(2n)is(1.3.5........
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- Show that the points (-4, 0). (6, 4), (5, 0)and (0, -2) form a trapezi...
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