यदि (p(x)=x-2-7x+10) और (q(x)=p(x+1)) है, तो (q(x)) के शून्यक कौन-से हैं?
If (p(x)=x-2-7x+10) and (q(x)=p(x+1)), what are the zeroes of (q(x))?
Explanation opens after your attempt
A. (1,4)
Concept
The zeroes of (p(x)) are (2) and (5), so for (p(x+1)=0), (x+1=2) or (x+1=5). Hence the zeroes of (q(x)) are (1) and (4).
Why this answer is correct
The correct answer is A. (1,4). The zeroes of (p(x)) are (2) and (5), so for (p(x+1)=0), (x+1=2) or (x+1=5). Hence the zeroes of (q(x)) are (1) and (4).
Exam Tip
(p(x)) के शून्यक (2) और (5) हैं, इसलिए (p(x+1)=0) के लिए (x+1=2) या (x+1=5)। अतः (q(x)) के शून्यक (1) और (4) हैं।
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