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(iii) Find the value of ((1)/(a)+(1)/(b)...

(iii) Find the value of `((1)/(a)+(1)/(b))` if the three points `(a,0), (0,b) and (1,1)` are collinear.

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CALCUTTA BOOK HOUSE-GRAPHS-EXERCISE - 3 Short answer type questions
  1. (i) Write the co-ordinates of a point which is equidistant from the ax...

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  2. (ii) Find the value of t if the point (-t,t^2+t+1) is equidistant from...

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  3. (iii) Find the value of ((1)/(a)+(1)/(b)) if the three points (a,0), (...

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  4. (iv) Find the value of (1/x,1/y) if the point (x,0),(0,y) and (-1,-1) ...

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  5. (v) Determine the sum of the squares of the intersections of the axes ...

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  6. (vi) Find the value of t if the point (2,t^2-5t-6) lie on the x-axis.

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  7. (vii) Find the values of k for which the point (k^2-6k+8,7) lie on the...

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  8. (viii) Determine the coordinates of a point on the straight line x-5y+...

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  9. (ix) Find the value of a if the straight line 10x+(a-1)y=11(a-3) passe...

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  10. (x) Find the area of the triangle formed by the straight line 2sqrt(ax...

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  11. (xi) Find the equation of a staright line passing through (k,-7) and ...

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  12. (xii) Find the equation of a straight line passing through (-a,0) and ...

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  13. (xiii) Find the area of the quadrilateral formed by the straight lines...

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  14. (xiv) Determine the polar co-ordinates of the point whose Cartesian co...

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  15. (xv) Determine the Cartesian co-ordinates of the point whose polar co-...

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  16. (xvi) The distance of a point from the x-axis is 7 units on the negati...

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  17. (xvii) Express the following statements in the form of simultaneous li...

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  18. (xvii) Express the following statements in the form of simultaneous li...

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