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The number of elements in the set {(a,b)...

The number of elements in the set {(a,b):`2a^(2)`+`3b^(2)`=35, a,b`in`Z}, where Z is the set of all integers, is

A

2

B

4

C

8

D

12

Text Solution

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The correct Answer is:
C
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Knowledge Check

  • The number of elements of the set {x: x in Z, x^(2)=1} is ............

    A
    0
    B
    1
    C
    2
    D
    3

  • suppose the number of elements in set A is P , the number of elements in set B is q and the number of elements in A xx B is 7 . Then p^2 +q^2 =

    A
    42
    B
    49
    C
    50
    D
    51

  • Let Z denote the set of all integers and A = { (a,b) : a^2 +3b^2 = 28 ,a,b in Z } and B= {(a,b ):a gt b, in Z} . Then the number of elements in A nn B is

    A
    2
    B
    3
    C
    4
    D
    6
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