Mathematics
Factorise :
a4 - 343a
Factorisation
16 Likes
Answer
Given,
a4 - 343a
= a[a3 - 343]
= a[(a)3 - (7)3]
= a(a - 7)[(a)2 + a × 7 + (7)2]
= a(a - 7)(a2 + 7a + 49).
Hence, a4 - 343a = a(a - 7)(a2 + 7a + 49).
Answered By
9 Likes
|
Factorise :
a4 - 343a
16 Likes
Given,
a4 - 343a
= a[a3 - 343]
= a[(a)3 - (7)3]
= a(a - 7)[(a)2 + a × 7 + (7)2]
= a(a - 7)(a2 + 7a + 49).
Hence, a4 - 343a = a(a - 7)(a2 + 7a + 49).
Answered By
9 Likes