1.

Let a, b, x, y be real numbers such that a^2 + b^2 = 81x^2 + y^2 = 121ax + by = 99What shall be the possible values for ay - bx is A) (0, 9/11 ]B) (0, 9/11 )C) {0}D) [9/11, Infinity)

Answer» Let a, b, x, y be real numbers such that
a^2 + b^2 = 81
x^2 + y^2 = 121
ax + by = 99
What shall be the possible values for ay - bx is
A) (0, 9/11 ]
B) (0, 9/11 )
C) {0}
D) [9/11, Infinity)


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