plz help me to solve
ch - polynomial
class 9
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Answered by
1
Answer:
1. -1728+343+125= -1260
2. 21952-3375-2197 =15380
Answered by
1
Without actually calculating the cubes,Find the value of each of the following :
(i) (-12)³ + (7)³ + (5)³
(ii) (28)³ + (-15)³ + (-13)³
_______________
✒By Using : -
→ x³ + y³ + z³ - 3xyz
→ If (x + y + z) = 0
______________________________
✒Using : -
→ x³ + y³ + z³ - 3xyz
→ If (x + y + z) = 0
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