Start learning →

If an equation is written as E times F equals 0, solving it reduces to solving

AE = F = 1
BE + F = 0
CE - F = 0
DE = 0 or F = 0
Answer & Solution
Correct answer: D. E = 0 or F = 0
A product is zero only if a factor is zero, so each factor is set to zero separately.
Practise this question with Quill — RRB NTPC →

Keep practising Elementary Algebra

Browse all Elementary Algebra questions for RRB NTPC, or explore more Mathematics topics.

Start a Elementary Algebra lesson →