x^2 + 10x + a is a perfect square, then find the possible value of a
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Answered by
1
Answer:
10
Step-by-step explanation:
we will apply formula 10 th
ax^2 + bx + c
a = 1 ; b= 10 ; c= a
-b÷a= 10÷1=10
so it is 10
Answered by
1
let me concentrate
.
.
exact way to nhi pta pr koi bhi no. x ki jagah put krke dekh lo
let me put 3
3 ka sq. + 3*10 + a
9 +30 + a
39 + a
ab nearest perfect square dekh lo
mujhe 36 dikha
to a ki value -3 put kr do
or exact way k liye thoda sochna padega
aa gya samajh
ise compare kr lete hai (a + b)^2 wali identity se
see attachement
yrr nhi aaya to samajh puch lena,
meri baate logo ko km hi samajh aati hai
XD
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