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We can expand (x+1)^3 formula by multiplying (x+1)(x+1)(x+1) manually. Understand the (x+1)^3 formula with examples, derivations, FAQs
-x+3\gt 2x+1 ; line\:(1,\:2),\:(3,\:1) f(x)=x^3 ; prove\:\tan^2(x)-\sin^2(x)=\tan^2(x)\sin^2(x) \frac{d}{dx}(\frac{3x+9}{2-x}) (\sin^2(\theta))' \sin(120) \lim _{x\to 0}(x\ln (x))
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25 lip 2017 · Explanation: note that. (x +a)3 = x3 + (a + a + a)x2 + (a.a + a.a + a.a)x +a3. (x −1)3 → a = −1. ⇒ (x − 1)3 = x3 +(−1 − 1 − 1)x2 + (1 +1 + 1)x +(−1)3. = x3 −3x2 +3x − 1. Answer link.
Use binomial theorem \left(a+b\right)^{3}=a^{3}+3a^{2}b+3ab^{2}+b^{3} to expand \left(x+1\right)^{3}.
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