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Are x^(2)-1 and tan x=(sinx)/(cos x) rat...

Are `x^(2)-1` and `tan x=(sinx)/(cos x)` rational expressions ?

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FULL MARKS-ALGEBRA-Additional Questions Solved
  1. Are x^(2)-1 and tan x=(sinx)/(cos x) rational expressions ?

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  2. The HCF of x^(2) - y^(2), x^(3) - y^(3), …... x^(n) - y^(n), where n i...

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  3. The zeroes of x^2–2x –8 are:

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  4. The HCF of x^(2) - 2xy + y^(2) and x^(4) - y^(4) is ……… .

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  5. The L.C.M. of a^(k), a^(k + 3), a^(k + 5) where k in N is …………… .

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  6. The LCM of (x + 1)^(2) (x - 3) and (x^(2) - 9) (x + 1) is ………. .

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  7. If (a^(3))/(a-b) is added with, (b^(3))/(b-a) then the new expressions...

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  8. The solution set of x+ (1)/(x) = (5)/(2) is ……. .

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  9. On dividing (x^(2) -25)/(x+3) "by " (x+5)/(x^(2) -9) is equal to

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  10. The square root of (x + 11)^(2) - 44x is ………. .

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  11. If alpha,\ beta are the zeros of the polynomial p(x)=4x^2+3x+7 , then ...

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  12. Evaluate sqrt(20+sqrt(20+sqrt(20)))

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  13. If alpha and beta are thr roots of the equation ax^(2) + bx + c = 0 t...

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  14. The roots of the equation x^(2) - 8x + 12 = 0 are ………… .

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  15. If one root of the equation is the reciprocal of the other root in ax^...

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  16. If alpha and beta are roots of the equation x^(2) + 2x + 8 = 0 the the...

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  17. If [(x+y,x-y),(7,6)] = [(10,2),(7,z)] then x, y, z are ………… .

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  18. If [(-1,-2,4)] [(2),(a),(-3)]= -10 then the value of "a" is …………. .

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  19. The matrix A given by (a(ij))(2 xx 2) if a(ij) = i - j is ………. .

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  20. If the order of matrix A is 3times4 and the order of B is 4times3 then...

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  21. If [(4,3,2)] [(1),(-2),(x)] =6 then "x" is ………. .

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