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Show that the points A(2,3,4), B(3,4,2)...

Show that the points A(2,3,4), B(3,4,2), C(4,2,3) form the vertices of an equililateral tirangle.

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JBD PUBLICATION-MODEL PAPER (10)-EXERCISE
  1. Find (a+b)^4-(a-b)^4. Hence evaluate : (sqrt3 +sqrt2)^4 -(sqrt3 -sqrt...

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  2. Find the rth term from the end in the expansion of (x+a)^n.

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  3. Show that the points A(2,3,4), B(3,4,2), C(4,2,3) form the vertices o...

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  4. Identify the quantifier in the following statements and write the nega...

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  5. Find the component statements of the following and check whether it is...

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  6. Let A, B, and C be the sets such that A uu B = A uu C and A nn B = A n...

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  7. If f (x) = loge ((1+x)/(1-x)), prove that: f (x) +f (y)= f ((x+y)/(1+x...

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  8. Prove the following by using the principle of mathematical induction f...

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  9. If ""^(n)C(r ): ""^(n)C(r+1)=1:2 and ""^(n)C(r+1): ""^(n)C(r+2)=2:3, ...

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  10. Find the number of different signals that can be generated by arrangin...

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  11. Find the sum of all natural numbers lying between 100 and 1000, which ...

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  12. Find the three number is G.P. such that their sum is 19 and sum of the...

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  13. P(a,b) is the mid-point of a line segment between axes. Show that the ...

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  14. Find the equations of the ellipse whose length of the major axis is 20...

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  15. Evaluate: underset(xrarr5)lim (1-sqrt(x-4))/5.

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  16. If siny = xsin(a+y), prove that dy/dx=sin^2(a+y)/sina

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  17. An integer is chosen from the first 200 integers. Find the probability...

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  18. Find the square root of -15 - 8i.

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  19. If (a+ib)(c+id)(e+if)(g+ih)=A+iB, then show that: (a^2+b^2)(c^2+d^2)(e...

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  20. Ravi obtained 70 and 75 marks in first two unit test. Find the minimum...

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