Q. 2 A5.0( 1 Vote )

# Find the products using the algebraic identities.104 x 109

104 x 109 = (100 + 4)(100 + 9)

Using identity -

(x + a)(x + b) = x2 + (a + b)x + ab, we get –

Take 104 = 100 + 4 and 109 = 100 + 9

104 x 109 = 1002 + (4 + 9)100 + 4× 9

= 10000 + 1300 + 36

= 11336

Rate this question :

How useful is this solution?
We strive to provide quality solutions. Please rate us to serve you better.
Related Videos  Polynomials - Zero to Hero42 mins  Genius Quiz | Polynomials40 mins  Zeros and Degrees of a Polynomial41 mins  Genius Quiz | Division of Algebraic Expressions37 mins  Champ Quiz | Polynomials29 mins  Introduction to Polynomials37 mins  Quiz | Imp. Qs. on Algebraic Identities65 mins  Basic understanding of Polynomials37 mins  Methods to find zeroes of a Polynomial-246 mins  Remainder Theorem and Factor Theorem38 mins
Try our Mini CourseMaster Important Topics in 7 DaysLearn from IITians, NITians, Doctors & Academic Experts
Dedicated counsellor for each student
24X7 Doubt Resolution
Daily Report Card
Detailed Performance Evaluation view all courses 