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Byju's Answer
Standard X
Mathematics
Formula for Sum of n Terms of an AP
Solve the que...
Question
Solve the question
-
4
+
-
1
+
2
+
5
+
.
.
.
.
+
x
=
437
.
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Solution
Suppose x is nth term of the given A.P.
a
n
=
x
H
e
r
e
,
a
=
-
4
,
d
=
3
.
I
t
i
s
g
i
v
e
n
t
h
a
t
,
S
n
=
437
.
⇒
n
2
2
-
4
+
n
-
1
3
=
437
⇒
3
n
2
-
11
n
-
874
=
0
⇒
3
n
2
-
57
n
+
46
n
-
874
=
0
⇒
3
n
n
-
19
+
46
n
-
19
=
0
⇒
n
=
-
46
3
,
19
S
i
n
c
e
,
n
c
a
n
n
o
t
b
e
i
n
f
r
a
c
t
i
o
n
s
o
n
=
19
.
N
o
w
,
a
n
=
x
⇒
-
4
+
19
-
1
3
=
x
⇒
-
4
+
54
=
x
⇒
x
=
50
Suggest Corrections
132
Similar questions
Q.
Solve the question:
−
4
+
(
−
1
)
+
2
+
5
+
.
.
+
x
=
437
.
Q.
Question 8
Solve the equation -4 + (-1) + 2 + . . . . . + x = 437.
Q.
Solve the equation :
−
4
+
(
−
1
)
+
2
+
⋅
⋅
⋅
⋅
x
=
437.
Q.
Question 8
Solve the equation -4 + (-1) + 2 + . . . . . + x = 437.
Q.
Solve the linear equation
x
2
−
1
5
=
x
3
+
1
4
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