Question

_+7×_-8/4+2×_-9/3+7=18
complete the equation in the blanks​

Answer 1

Answer:

let the blank be x

and you simplify ur ans

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Answer 2

Answer:

t1=(31)4=(31)3+1−>4 is a square -> Sign +ve

t2=(15)6=1(51)5+1−> Sign -ve -> Sign changed

t3=(72)9=(72)7+2−>Sign−ve;−> Sign retained. 9 is a square

t4=(311)14=1(113)11+3−> Sign +ve; -> Sign changed ; 14 is not a square

t5=(135)18=(135)13+5−> Sign +ve; -> Sign retained. -> 18 is not a square

t6=(817)25=1(178)17+8−> Sign +ve; -> Sign retained; 25 is a square

Sign of t7 given is -ve. ⟹ the sign changes if the previous term had a power of a square number

Step-by-step explanation:

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