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JBD PUBLICATION-MODEL PAPER (15)-EXERCISE
- If the circle x^2+y^2+2ax+8y+16=0 touches x axis, then the vlaue of a ...
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- In a single toss of three coins, the probability of getting head and t...
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- Prove that:(sinx +sin3x)/(cosx+cos3x)=tan2x
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- Prove that (sin(x+y))/(sin(x-y))=(tanx+tany)/(tanx-tany)
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- If z1= 2 -i, z2= 1+ i, find |(z1+z2+1)/(z1-z2+1)|.
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- Show that 9^(n+1) - 8n -9 is divisible by 64, whenever n is a positiv...
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- Compute (98)^5
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- Using distance formula, show that the points A(6,-7,1), B(2,-3,1) and ...
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- Show that the statement is true by the method of contradiction. If x i...
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- Find the component statement of the following and check whether they a...
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- Prove that A^c-B^c=B-A.
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- If f(x)=log(x/(x-1)), show that f(x+1)+f(x)=log ((x+1)/(x-1))
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- Prove that:cos15^@-sin15^@=1/sqrt2
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- Prove that : cos 24^@+ cos 55^@ + cos 125^@ + cos204^@ + cos 300^@= 1/...
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- How many words, with or without meaning, each of 2 vowels and 3 conson...
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- Find the value of n such that : "^nP5=42 ^nP3, n>4.
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- Sum of first p,q and r terms of an A.P. are a,b,c respectively. Prove...
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- If the angle between two lines is pi/3 and slope of one of the line is...
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- If a parabolic reflector is 20 cm in diameter and 50 cm deep. Find the...
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- Evaluate: underset(xrarr1)lim ((x+x^2+x^3+……….x^n)-n)/(x-1)
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