Advertisements
Advertisements
प्रश्न
Add: x2 - y2 - 1 , y2 - 1 - x2, 1- x2 - y2
Advertisements
उत्तर
(x2 - y2 - 1) + (y2 - 1 - x2) + (1 - x2 - y2)
= x2 - y2 - 1 + y2 - 1 - x2 + 1 - x2 - y2
= x2 - x2 - x2 − y2 + y2 - y2 - 1 - 1 + 1
= x2(1 - 1 - 1) + y2 (-1 + 1 - 1) + (- 1 - 1 + 1)
= -x2 - y2 - 1
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
APPEARS IN
संबंधित प्रश्न
Simplify combining like terms: (3y2 + 5y - 4) - (8y - y2 - 4)
Subtract:
2x3 − 4x2 + 3x + 5 from 4x3 + x2 + x + 6
Add:
17a2b2 + 16c; 28c − 28a2b2
The expressions 8x + 3y and 7x + 2y cannot be added
Add: 8x, 3x
a(b + c) = a × ____ + a × _____.
Add:
9ax + 3by – cz, –5by + ax + 3cz
Add the following expressions:
p2 – q + r, q2 – r + p and r2 – p + q
Add the following expressions:
p2 – q + r, q2 – r + p and r2 – p + q
Add the following expressions:
p2qr + pq2r + pqr2 and – 3pq2r – 2pqr2
