Answer available
Class 9 · Mathematics · Expansions
If x + 1/x = 5, find x2 + 1/x2.
3 marksMediumNumerical
ICSE question bank
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12 questions
- Answer available
Class 9 · Mathematics · Expansions
If x + 1/x = 4, find x3 + 1/x3.
3 marksMediumNumerical
- Answer available
Class 9 · Mathematics · Expansions
If x + 1/x = 3, then x2 + 1/x2 is:
1 markMediumMCQ
- Answer available
Class 9 · Mathematics · Expansions
Expand (a + b + c)2 and use it to evaluate (10 + 2 + 3)2 without direct multiplication.
3 marksMediumNumerical
- Answer available
Class 9 · Mathematics · Expansions
If a + b = 7 and ab = 12, find a2 + b2 and a3 + b3.
3 marksMediumNumerical
- Answer available
Class 9 · Mathematics · Expansions
Expand (3a − 5b)2.
2 marksEasyNumerical
- Answer available
Class 9 · Mathematics · Expansions
The expansion of (a − b)2 is:
1 markEasyMCQ
- Answer available
Class 9 · Mathematics · Expansions
If x − 1/x = 3, find x2 + 1/x2.
3 marksMediumNumerical
- Answer available
Class 9 · Mathematics · Expansions
Evaluate (997)2 using a standard identity.
3 marksMediumNumerical
- Answer available
Class 9 · Mathematics · Expansions
Evaluate 103 × 97 using a standard identity.
2 marksEasyNumerical
- Answer available
Class 9 · Mathematics · Expansions
Expand: (2x + 3y)2.
2 marksEasyNumerical
- Answer available
Class 9 · Mathematics · Expansions
If a + b = 7 and ab = 12, find the value of a2 + b2.
3 marksMediumNumerical