Advertisements
Advertisements
Question
विस्तार करा.
(13 + x) (13 − x)
Sum
Solution
(13 + x) (13 − x)
= `(13)^2+ ("x" – "x") 13 + "x" xx (-"x")` …[∵ (x + a) (x + b) = x2 + (a + b) x + ab]
= `169 + 0 × 13 – "x"^2`
= `169 – "x"^2`
shaalaa.com
Is there an error in this question or solution?
