Math, asked by niti13, 1 year ago

simplify the following equations :

i)
 {x}^{3}  - 7 {x}^{2}  + 15x - 9
ii)
 {x}^{9}  - 3 {x}^{8}  +  {x}^{6}  - 9 {x}^{4}  - 4 {x}^{2}  - 16x + 84

Answers

Answered by mohit509
0
pii- x³-7x²+15x-9
= x³-x²-6x²+6x+9x-9
=x²×(x-1)-6x×(x-1)+9(x-1)
=(x-1)×(x²-6x+9)
=(x-1)×(x-3)²


niti13: actually this is a question of limits and derivatives
mohit509: the ans you said is wrong
mohit509: check in a scientific calc...
niti13: okk ... let me check
mohit509: I have factories the equation
niti13: both the answers are right ..
mohit509: oh...
mohit509: shi hai....
niti13: the solution given in book is also right and your answer is also right
mohit509: hmm
Answered by Anonymous
0

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