Using suitable identities evaluate the following. 201 mutiplyed by 199
Dear Student,
201 × 199
= (200 + 1) (200 – 1)
= 40000 – 1
= 39999
Regards
201 × 199
= (200 + 1) (200 – 1)
= (200)2 – (1)2 {(a + b) (a – b) = a2– b2}
= 40000 – 1
= 39999
Regards