A Square and A Cube
CBSE · Class 8 · Mathematics
All formulas from A Square and A Cube in CBSE Class 8 Mathematics. Key equations, constants, and identities for board exam preparation.
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Formulas
Squares and square numbers
n × n = n²
1 + 3 + 5 + ... + (2n-1) = n²
2n - 1
Cubes and cubic numbers
n × n × n = n³
(4/6)³ = (4/6) × (4/6) × (4/6) = 64/216
(13.08)³ = 13.08 × 13.08 × 13.08 = 2237.810112
(-6)³ = -6 × -6 × -6 = -216
Taxicab numbers and Ramanujan
1729 = 1³ + 12³ = 9³ + 10³
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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