Advertisements
Advertisements
प्रश्न
Factorise: `(7 3/10)^2 - (2 1/10)^2`
बेरीज
Advertisements
उत्तर
`(7 3/10)^2 - (2 1/10)^2`
`= (73/10)^2 - (21/10)^2`
`= (73/10 + 21/10) (73/10 - 21/10)` ...[a2 – b2 = (a + b) (a – b)]
`= (94/10) (52/10)`
`= (47/5)(26/5) = 1222/25 = 48 22/25`
shaalaa.com
Factorisation by Difference of Two Squares
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Factorise: 16 - 9x2
Factorise: (5a - 3b)2 - 16b2
Factorise: a4 - (a2 - 3b2)2
Factorise: (5a - 2b)2 - (2a - b)2
Factorise: 1 - 25 (a+ b)2
Factorise: (0·7)2 - (0·3)2
factorise : 25(2x - y)2 - 16(x - 2y)2
Factorise: `9x^2 - 1/16`
factorise: 25(x - 2y)2 - 4
Factorise: 25(a - 5b)2 - 4(a - 3b)2
