Make the curve y=ax³+bx²+cx+d pass through the points (0,1)and (-3,7) and have a critical point at (-1,3)
Ans. y=-x³-4x²-5x+1 Thanks po
Steps:
Paano ko po makuha yung value ni a at b?
Eqn.2 at eqn 3 nalang po natira. 0=0 po yung eqn.4 C=-3a+2b kasi value ni c. At sinubstitute ko sa eqn. 2-4
Eq. (2): -27a + 9b - 3c = 6 Eq. (3): -a + b - c = 2 Eq. (4): 3a - 2b + c = 0
Eq. (2) - 3*Eq. (3) -24a + 6b = 0 6b = 24a b = 4a
Eq. (3) + Eq. (4) 2a - b = 2 2a - 4a = 2 -2a = 2 a = -1
Thank you sir Alexander and Sir Jhun Vert
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Steps:
Result: d = 1.
Result: -27a + 9b - 3c = 6.
Result: -a + b - c = 2.
Result: 3a - 2b + c = 0.
Paano ko po makuha yung value ni a at b?
Eqn.2 at eqn 3 nalang po natira.
0=0 po yung eqn.4
C=-3a+2b kasi value ni c. At sinubstitute ko sa eqn. 2-4
Eq. (2): -27a + 9b - 3c = 6
Eq. (3): -a + b - c = 2
Eq. (4): 3a - 2b + c = 0
Eq. (2) - 3*Eq. (3)
-24a + 6b = 0
6b = 24a
b = 4a
Eq. (3) + Eq. (4)
2a - b = 2
2a - 4a = 2
-2a = 2
a = -1
Thank you sir Alexander and Sir Jhun Vert
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