Advertisements
Advertisements
Question
Evaluate: (6 – xy) (6 + xy)
Sum
Advertisements
Solution
(6 – xy) (6 + xy)
= 6(6 + xy) – xy (6 + xy)
= 36 + 6xy – 6xy + (xy)2
= 36 – x2y2
shaalaa.com
Product of Sum and Difference of Two Terms
Is there an error in this question or solution?
APPEARS IN
RELATED QUESTIONS
Evaluate : (3−2x) (3+2x) (9+4x2)
Evaluate : (3x−4y) (3x+4y) (9x2+16y2)
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
33 x 27
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
103 x 97
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
9.8 x 10.2
Use the product (a + b) (a – b) = a2 – b2 to evaluate:
7.7 x 8.3
Evaluate : `(7"x"+2/3"y")(7"x"-2/3"y")`
Evaluate : (a + bc) (a − bc) (a2 + b2c2)
Evaluate : (7x + 15y) (5x − 4y)
Evaluate: (a2 + 5) (a2 − 3)
