If x ⋆ y = x^2 + y^2 - xy, then the value of 9 ⋆ 11 is:

Simplification Test 6

Question : 16 of 40

Marks: +1, -0

x ⋆ y = x^2 + y^2 - xy

, then the value of 9 ⋆ 11 is:

Solution:

x ⋆ y = x^2 + y^2 - xy

∴9 ⋆11=9^2+11^2-9×11

=81+121-99=103

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