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If then what should be the value of k so that f(x) is continuous at x = 0.
we have to find the value of 'k' such that f(x) is continuous at x = 0
If f(x) is be continuous at x = 0,then, f(0)–=f(0) + = f(0)
LHL = f(0)–=
⇒ –2×02 + k
⇒ k ...(1)
RHL = f(0) + =
⇒ 2×02 + k
⇒ k ...(2)
From (1) & (2),we get , f(0)– = f(0) +
So the value of k can be any real number(R),so that f(x) is continuous at x = 0