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1.Relation and Function
normal
જો વિધેય $f(x) = \frac{1}{4}{x^2} + bx + 10$ માટે $f\left( {12 - x} \right) = f\left( x \right)\,\forall \,x\, \in \,R$ , હોય તો $'b'$ નિ કિમત મેળવો.
A
$-3$
B
$3$
C
$6$
D
$-6$
Solution
Graph is symmetric about $x = 6$ $ – 2b = 6 \Rightarrow b = – 3$
Standard 12
Mathematics