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Find k so that : lim(x rarr 2)f(x) exist...

Find k so that : `lim_(x rarr 2)f(x)` exists, where :
`f(x)={(2x+3,"," if xle2), (x+k,"," if x>2.):}`

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MODERN PUBLICATION-LIMITS AND DERIVATIVES-EXERCISE
  1. If lim(x rarr a)(x^9+a^9)/(x+a)=9, find the real value of a.

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  2. Evaluate the left-hand and right-hand limits of the a following functi...

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  3. Find k so that : lim(x rarr 2)f(x) exists, where : f(x)={(2x+3,"," i...

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  4. Find k so that : lim(x rarr 2)f(x) exists, where : f(x)={(2x+3,"," i...

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  5. Find k so that : lim(x rarr 2)f(x) exists, where : f(x)={(2x+3,"," i...

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  6. Evaluate the following limit : lim(x rarr 1) (x^15-1)/ (x^10-1) .

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  7. Evaluate the following limit : lim(x rarr 0) ((x+1)^5-1)/(x) .

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  8. Prove that lim(x rarr 0) ((1+x)^n-1)/(x)=n .

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  9. If lim(x rarr 2) (x^n-2^n)/(x-2)=80 and if n is a positive integer, fi...

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  10. Evaluate the following limit : lim(x rarr 3)(x^3-7x^2+15x -9)/(x^4-5...

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  11. Evaluate the following limit : lim(x to sqrt(2)) (x^(9) - 3x^(8) + x...

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  12. Evaluate the following limit : lim(x rarr 0) (sqrt(1+x)-sqrt(1-x))/(...

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  13. Evaluate the following limit : lim(x rarr 0) (sqrt(1+x)-sqrt(1-x))/(...

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  14. Evaluate the following limit : lim(x rarr 0) (sqrt(2-x)-sqrt(2+x))/(...

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  15. Evaluate the following limit : lim(x rarr 0) (sqrt(1+3x)-sqrt(1-3x))...

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  16. Evaluate the following limit : lim(x rarr 0) (sqrt(1+x)-1)/(x) .

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  17. Evaluate the following limit : lim(x rarr 2) (2-x)/ (sqrt(2+x)-2) .

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  18. Evaluate the following limit : lim(x rarr 0) (sqrt(x+2)-sqrt2)/(x) .

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  19. Evaluate the following limit : lim(x rarr 0) (sqrt(1-x^2)-sqrt(1+x^2...

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  20. Evaluate the following limit : lim(x rarr 0) (sqrt(a^2+ x^2) -sqrt(a...

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