Question

wbbse board class 10 math formula ​

Answer 1

Answer:

Class 10 Maths Formulas For Algebra & Quadratic Equations

(a+b)2 = a2 + b2 + 2ab. (a-b)2 = a2 + b2 – 2ab. (a+b) (a-b) = a2 – b. (x + a)(x + b) = x2 + (a + b)x + ab.

Answer 2

Answer: Class 10 Maths Formulas For Algebra & Quadratic Equations

(a+b)2 = a2 + b2 + 2ab. (a-b)2 = a2 + b2 – 2ab. (a+b) (a-b) = a2 – b. (x + a)(x + b) = x2 + (a + b)x + ab.