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If (a +b, 3a - 2b) = (-9, -2), then a an...

If (a +b, 3a - 2b) = (-9, -2), then a and b are___

A

2 and 1 respectively

B

`-1` and 2 respectively

C

1 and 2 respectively

D

`-4` and `-5` respectively

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The correct Answer is:
D
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CHHAYA PUBLICATION-RELATION AND MAPPING -Multiple choice question
  1. If (a +b, 3a - 2b) = (-9, -2), then a and b are

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  2. If A = {1, 2, 4}, B = {2, 4, 5}, C = {2, 5}, then (A-B)xx(B-C) is

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  3. If n(A) = 3, n(B) = 4 then n(AxxAxxB)=

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  4. If A = {a,b} and B = {1,2,3} then (AxxB) cap(BxxA) =

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  5. Let A and B be two sets containing respectively m and n distinct eleme...

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  6. If R = {(3,9),(3,12),(4,8),(4,12),(5,10),(6,12)} be a given relation, ...

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  7. If R = {(3, 9),(3, 12),(4, 8),(4, 12),(5, 10),(6, 12)} be a given rela...

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  8. If R is a relation on the set A={1,2,3,4,5,6,7,8,9}"given by "xRyiffy=...

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  9. Let R be a relation from set A do a set B, then

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  10. Total number of relations that can be defined on set A = {a,b,c} is

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  11. State which of the following is the total number of relations from set...

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  12. Let the relation R on set A = {1,2,3,4,5} be defined as follows: R={...

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  13. Let the relation R on set A = {1,2,3,4} be defined as follows: R={(1...

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  14. Let RR be the set of real numbers and the mapping f:RRtoRR be defined ...

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  15. The total number of relation from the set {p,q} to the set {e,f} ...

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  16. Let A={0,1,2,3,4} and ZZ be the set of integers. If the mapping f:Ato ...

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  17. If A= {-2,1,0,-1,2}, B={-6,-5,-3,0,3} and the mapping f:A to B is defi...

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  18. Let, ZZ be the set of integers and the mapping f:ZZ to ZZ be given by ...

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  19. If f(x+2) =2x^2-3x+5 then f(1) =

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  20. If f(x) = 4^x then f(log(4)x) =

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