If f(x)=n→∞lim1+x2n(x2+ax+1)+x2n(2x2+x+b)andx→±1limf(x) exist, then The value of b is (a)−1 (b). 1 ( c.) 0 (d).2

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If {f{{({x})}}}=_{{{n}}}{{{({x}^{{2}}+{a}{x}+{1})}+{x}^{{{2}{n

Question

If $f (x) = n \to \infty lim \frac{( x ^{2} + a x + 1 ) + x ^{2 n} ( 2 x ^{2} + x + b )}{1 + x ^{2 n}} and x \to \pm 1 lim f (x)$ exist, then The value of $b$ is (a) $- 1$ (b). 1 ( c.) $0$ (d). $2$

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Evelyn Discussed

f (x) = n \to \infty lim \frac{( x ^{2} + a x + 1 ) + x ^{2 n} ( 2 x ^{2} + x + b )}{1 + x ^{2 n}} and x \to \pm 1 lim f (x)

exist, then The value of

b

is (a)

- 1

(b). 1 ( c.)

0

(d).

2

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Question Text

f (x) = n \to \infty lim \frac{( x ^{2} + a x + 1 ) + x ^{2 n} ( 2 x ^{2} + x + b )}{1 + x ^{2 n}} and x \to \pm 1 lim f (x)

exist, then The value of

b

is (a)

- 1

(b). 1 ( c.)

0

(d).

2