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Write all the formula given in the notes

Posted by Marem Zimrish 5 years ago

CBSE > Class 08 > Mathematics

2 answers

Sakshi Chouhan 5 years ago

(a + b)2 = a2 + 2ab + b2 (a – b)2 = a2 – 2ab + b2 (a + b) (a – b) = a2 – b2 (x + a) (x + b) = x2 + (a + b)x + ab. (x + a) (x – b) = x2 + (a – b)x – ab. (x – a) (x + b) = x2 + (b – a)x – ab. (x – a) (x – b) = x2 – (a + b)x + ab. (a + b)3 = a3 + b3 + 3ab(a + b)

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Rachana H 5 years ago

Geometry Shapes Formulas for 2D Shapes: Geometric AreaGeometric Area FormulaSquarea2Rectanglea × bCircleπr2Ellipseπr1r2Triangle½(b × h) Algebra Formulas for Class 8 Algebraic Identities For Class 8(a + b)2 = a2 + 2ab + b2(a − b)2 = a2 − 2ab + b2(a + b) (a – b) = a2 – b2(x + a) (x + b) = x2 + (a + b)x + ab(x + a) (x – b) = x2 + (a – b)x – ab(x – a) (x + b) = x2 + (b – a)x – ab(x – a) (x – b) = x2 – (a + b)x + ab(a + b)3 = a3 + b3 + 3ab (a + b)(a – b)3 = a3 – b3 – 3ab (a – b)

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