Search any question & find its solution
Question:
Answered & Verified by Expert
The number of terms in the expansion of \( \left(x^{2}+y^{2}\right)^{25}-\left(x^{2}-y^{2}\right)^{25} \) after simplification is
Options:
Solution:
1923 Upvotes
Verified Answer
The correct answer is:
\( 13 \)
(A)
\( (a+b)^{n}-(a-b)^{n} \) if \( \mathrm{n} \) is odd
On simplification we get \( \frac{n+1}{2} \) terms i.e., \( \frac{25+1}{2}=13 \) terms
\( (a+b)^{n}-(a-b)^{n} \) if \( \mathrm{n} \) is odd
On simplification we get \( \frac{n+1}{2} \) terms i.e., \( \frac{25+1}{2}=13 \) terms
Looking for more such questions to practice?
Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.