Secondary School (English Medium) (5 to 8) इयत्ता ८ - CBSE Question Bank Solutions

Use a suitable identity to get the following products.

(7a − 9b) (7a − 9b)

Find the following squares by suing the identities.

(b − 7)²

Find the following squares by suing the identities

(xy + 3z)²

Find the following squares by suing the identities.

(6x² − 5y)²

Find the following squares by suing the identities.

`(2/3 m + 3/4 n)^2`

Find the following squares by suing the identities 

(0.4p − 0.5q)²

Find the following squares by suing the identities.

Simplify (a² − b²)²

Simplify (2x +5)² − (2x − 5)²

Simplify (7m − 8n)² + (7m + 8n)²

Simplify (4m + 5n)² + (5m + 4n)²

Simplify (2.5p − 1.5q)² − (1.5p − 2.5q)²

Simplify (ab + bc)² − 2ab²c

Simplify (m² − n²m)² + 2m³n²

Using identities, evaluate 71²

Using identities, evaluate 99²

Using identities, evaluate 102²

Using identities, evaluate 998²

Using identities, evaluate (5.2)²

Using identities, evaluate 297 × 303