Algebraic Expression Simplification (Jee Mains) | ExamDuo
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Triangle Theorems
Medium
Algebraic Expression Simplification
The expression :
(a + b + c) (b + c - a) (c + a - b) (a + b - c)
4b²c²
is :
SELECT ONE OPTION
A
cos²A
B
sin²A
C
cos 2A
D
1 – cosA
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