(iii) প্ৰতিটো ৰে
(iv) এটা বহুপদ শূন্য এটাতকৈ বেU
অনুশীলনী 2.2
5r – 4x + 3 বহুপদৰ মান নির্ণয় কৰা যেতিয়া,
(i) x = 0 (ii) r = -1 (iii) 1 = 2
পদবােৰৰ প্রত্যেকৰ বাবে p(0), p) তা
(ii) p(t) -
(iv) p(x)
(i) p(v) = ] - ] + 1
(iii) p(x) = r।
কাষত উল্লেখিত মানবােৰ বহুপদটোৰ শূন্য হয়নে নত
Answers
SOLUTION
TO DETERMINE
1. Find the value of the polynomial 5x - 4x² + 3 at
(i) x = 0 (ii) x = - 1 (iii) x = 2
2. Find p(0) , p(1) and p(2) for each of the following polynomials
(i) p(y) = y² - y + 1
(ii) p(t) = 2 + t + 2t² - t³
(iii) p(x) = x³
(iv) p(x) = ( x - 1 ) ( x + 1 )
EVALUATION
ANSWER TO QUESTION : 1
Let p(x) be the given polynomial then
(i) Putting x = 0 we get
(ii) Putting x = - 1 we get
(iii) Putting x = 2 we get
ANSWER TO QUESTION : 2
(i) Here the given polynomial is
Thus we get
(ii) Here the given polynomial is
Thus we get
(iii) Here the given polynomial is
Thus we get
(iv) Here the given polynomial is
Thus we get
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