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If the lines drawn to the linear equatio...

If the lines drawn to the linear equations of the type `a_1 x+b_1 y+c_1=0 and a_2 x+b_2 y+c_2 =0` are coincident on each other, then the correct relation among the following is

A

`(a_1)/(a_2)=(b_1)/(b_2)=(c_1)/(c_2)`

B

`(a_1)/(a_2) ne (b_1)/(b_2) ne ( c_1)/(c_2)`

C

`(a_1)/(a_2)=(b_1)/(b_2) ne (c_1)/(c_2)`

D

`(a_1)/(a_2) ne (b_1)/(b_2) = (c_1)/(c_2)`

Text Solution

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The correct Answer is:
A
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SUBHASH PUBLICATION-ANNUAL EXAMINATION QUESTION PAPER JUNE-2019 (WITH ANSWERS)-EXERCISE
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  2. Write the formula to find the sum of first n terms of an Arithmetic pr...

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  3. If a pair of linear equations represented by lines has no solutions (i...

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  4. Write the formula to find area of a sector of a circle, if angle at th...

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  5. Write 96 as the product of prime factors.

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  6. Find the degree of the polynomial P(x)=x^3+2x^2-5x-6

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  7. Ina Delta ABC, angle ABC=90^@ and angle ACB=30^@ then find AB:AC.

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  8. Find the solution for the pair of linear equations: x+y=14 x-y=4

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  9. ABCD is a square of side 14cm. Four congruent circles are drawn in the...

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  10. Find the distance between the points (2,3) and (4,1).

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  11. Find the area of a triangle whose vertices are (1,-1),(-4,6) and (-3,-...

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  12. Prove that 5+sqrt3 is an irrational number.

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  13. Delta ABC~Delta DEF and their areas are 64 cm^2 and 100 cm^2 respectiv...

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  14. A verticle pole of height 6m casts a shadow 4m long on the ground, and...

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  15. The diagonal BD of parallelogram ABCD intersect AE at F as shown in th...

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  16. sum and product of the zeroes of a quadratic polynomial P(x)=ax^2+bx-4...

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  17. Find the quotient and remainder when p(x)=2x^2+2x+1 is divided by g(x)...

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  18. Find the value of k, in which one of its zeros is -4 of the polynomial...

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  19. Solve the equation x^2-3x-10=0 by using formula.

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  20. If cosec theta=(13)/(12) then find the value of cos theta.

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  21. tan A . Sin A+ cos A=secA

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