pls solve it is urgent
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Step-by-step explanation:
- in first put alpha and beta
- just put 0 simplify them u get urs answer perfectly and in detailed information about it
Answered by
0
1} It is actually easy and there are two methods for you . You can either derive the roots of the polynomial by middle split method or here is the other one.
(Let alpha be p and beta be q for both questions because i dont have thes symbols in my keyboard)
=>4x²+3x+7
p+q=-3/4}. Relationship between
pq=7/4. }. Zeroes and coefficient
Now, 1/p+1/q=p+q/pq. (Lcm)
=>-3/4 ÷7/4
-3/4×7/4
=-3/7. (ans.)
2} Here, it is given that:
p and q are the zeroes and
q=1/p
Now, pq=c/a
=>p×1/p=4k/k²+4
4k/k²+4=1
k²+4=4k
K²-4k+4=0
K²-2(2)(k)+2²=0
(K-2)²=0
=>K=2. (ans.)
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