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Given R = {(x, y) : x, yinN and 2x + 3y ...

Given R = {(x, y) : x, `yinN` and 2x + 3y = 9}.' Find R as sets of ordered pair. '

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Let A={1,2,3,4,5,6,7,8} and a relation R on A is given by, R={(x,y):x in A,y in A and 2x+y=12} Find R and R^-1 as sets of ordered pairs. Also find domains and ranges of R and R^-1 .

Let R be the relation on the set A of first twelve natural numbers defined by, R={(x,y):x+2y=12 and x, y in A} Find R as the set of ordered pairs. Also find its domain and range.

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If R = {(x, y) : x in N, yin N and 2x + y = 10} . then find R^-1

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UNITED BOOK HOUSE-MODEL QUESTION PAPERS-SET 15-EXERCISE
  1. If the coefficent of variation = 40% and variance = 16, the mean will ...

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  2. If n(X) = 4 and n(Y) = 7, then find the maximum and minimum value of ...

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  3. Given R = {(x, y) : x, yinN and 2x + 3y = 9}.' Find R as sets of order...

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  4. Find the value of tan 20^@ tan 40^@ tan 80^@.

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  5. In /\PQR, angleP = 60^@, show that q + r = (q-p)/2

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  6. If z=(sqrt3-i)/2, then Find the. value of z^33

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  7. If ^25Cr=^25C(2r+1),the value of ^rC5is

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  8. If (1+x)^n=C0+C1x+C2x^2+…..+Cnx^n.then show that C1+2C2+….nCn=n.2^(n-1...

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  9. Calculate the sum of the series : 3-3/2+3/2^2-3/2^3+….

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  10. Find the length of the intercept of the staight line 3x +4y = 12 with ...

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  11. Find the image of the co-ordinate of a point.(-3, 4, 7) with respect t...

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  12. Find the value of :lim(xrarr0)(sin2x+sin6x)/(sin5x-sin3x)

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  13. If 4f(x) + 3f(-x) = 7 - 3x, find the value of f(1).

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  14. A box contains 6 white balls and 4 black balls, A ball is drawn at ran...

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  15. Mean of the getting mathematics number of 70 students is 45. If SD is....

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  16. A and B are two sets and if n(A) = 4 and n(B) = 7, then find the minim...

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  17. Show that cot 7(1^@/2)=2+sqrt2+sqrt3+sqrt6

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  18. 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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  19. By ........in "Principle of Mathematical Induction" prove that for all...

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  20. If w be a imaginary cube root of uniyt and a+b+c=0 then show that (a+b...

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