Advertisements
Advertisements
प्रश्न
How much is 21a3 – 17a2 less than 89a3 – 64a2 + 6a + 16?
बेरीज
Advertisements
उत्तर
Required expression is
89a3 – 64a2 + 6a + 16 – (21a3 – 17a2)
= 89a3 – 64a2 + 6a + 16 – 21a3 + 17a2
On combining the like terms,
= 89a3 – 21a3 – 64a2 + 17a2 + 6a + 16
= 68a3 – 47a2 + 6a + 16
So, 21a3 – 17a2 is 68a3 – 47a2 + 6a + 16 less than 89a3 – 64a2 + 6a + 16.
shaalaa.com
या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
APPEARS IN
संबंधित प्रश्न
Subtract 5x2 – 4y2 + 6y – 3 from 7x2 – 4xy + 8y2 + 5x – 3y.
Sum of a – b + c and – a + b – c is zero
Subtract: 15q from 25q
Subtract: m + n from 3m – 7n
Subtract:
5a2b2c2 from –7a2b2c2
Subtract:
2ab2c2 + 4a2b2c – 5a2bc2 from –10a2b2c + 4ab2c2 + 2a2bc2
Subtract:
7p(3q + 7p) from 8p(2p – 7q)
Subtract the following expressions:
–7p2qr from –3p2qr
Subtract the following expressions:
ab – bc – ca from –ab + bc + ca
Subtract the following expressions:
2(ab + bc + ca) from –ab – bc – ca
