plz explain iwill be really grateful needd help
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Answer:
a², c⁴ have even powers
so, there value may be - or + no worries
given
a²b³c⁴d^5>0
but given d < 0
so
d^5 is -
to make whole term +
b³ shld be -
b<0
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ans is in pic given above
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