Exemplar-Exercise Problems III — task. Mathematics CBSE, Class 9.

UPSKILL MATH PLUS

Learn Mathematics through our AI based learning portal with the support of our Academic Experts!

1. If \(49x^2-b=(7x+\frac{1}{2})(7x-\frac{1}{2})\), then the value of \(b\) is

\(\frac{1}{\sqrt{2}}\)
\(\frac{1}{2}\)
\(0\)
\(\frac{1}{4}\)

2. If \(a + b + c =0\), then \(a^3+b^3 +c^3\) is equal to

\(0\)
\(3abc\)
\(abc\)
\(2abc\)

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content