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If there are only two linear function f and g which map [1.2] on [4,6] and in a `Delta ABC`, c,=f(1)+g(1) and a is the maximum value of `r^2,` where r is the distance of a variable point on the curve `x^2+y^2-xy=10` from the origin, then sinA:sinC is

A

1:2

B

2:1

C

1:1

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
C
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PATHFINDER-SOLUTION OF TRIANGLE AND HEIGHT AND DISTANCE-QUESTION BANK
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  3. If there are only two linear function f and g which map [1.2] on [4,6]...

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  4. If A ,B,C,D are the angle of quadrilateral, then (sumtanA)/(sumcotA)is...

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  5. If Delta be the area of a triangle ABC and length of its two sides are...

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  6. Which of the following pieces of data does not uniquely determine acut...

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  7. In a triangle ABC, (a+b+c)(b+c-a)=kbc if

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  8. If cosA/a=cosB/b=cosC/cand the side a=2, then area of triangle is

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  9. If lambda be the perimeter of the DeltaABC. then bcos^2(c/2)+c cos^2(B...

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  10. If the area of a triangle ABC is given by Delta=a^2-(b-c)^2then tan(A...

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  11. If in a DeltaABC, cosA+2cosB+cosC=2,then a,b,c are in

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  12. If D is the mid point of side BC of a triangle ABCand AD is perpendicu...

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  13. If f,g,h are the internal bisectors of a DeltaABC then 1/fcos(A/2)+1/...

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  14. If a,b,c,d be the sides of a quadrilateral and g(x)=f[f{f(x)}], where ...

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  15. In aDeltaABC,sinA/sinC=sin(A-B)/sin(B-C)then

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  16. Let a,b,c be the sides of triangle whose perimeter is p and area is A,...

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  17. If in a DeltaABC, CD is the angle bisector of the angleABC, then CD is...

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  18. If A, A1,A2,A3 are the areas of the inscribed and escribed circles of ...

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  19. If A+B =pi/3 and cosA+cosB=1, then which of the following is/are true

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  20. When any two sides and one of the opposite acute are given, under cert...

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